1931257755

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{3709}}^1$

素因数の和:3778

約数の個数: 128

約数和(自身を含む): 4273920000

約数和(自身を除く): 2342662245

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 27, 29, 35, 45, 57, 63, 87, 95, 105, 133, 135, 145, 171, 189, 203, 261, 285, 315, 399, 435, 513, 551, 609, 665, 783, 855, 945, 1015, 1197, 1305, 1653, 1827, 1995, 2565, 2755, 3045, 3591, 3709, 3857, 3915, 4959, 5481, 5985, 8265, 9135, 11127, 11571, 14877, 17955, 18545, 19285, 24795, 25963, 27405, 33381, 34713, 55635, 57855, 70471, 74385, 77889, 100143, 104139, 107561, 129815, 166905, 173565, 211413, 233667, 322683, 352355, 389445, 493297, 500715, 520695, 537805, 634239, 701001, 752927, 968049, 1057065, 1168335, 1479891, 1613415, 1902717, 2043659, 2258781, 2466485, 2904147, 3171195, 3505005, 3764635, 4439673, 4840245, 6130977, 6776343, 7399455, 9513585, 10218295, 11293905, 13319019, 14305613, 14520735, 18392931, 20329029, 22198365, 30654885, 33881715, 42916839, 55178793, 66595095, 71528065, 91964655, 101645145, 128750517, 214584195, 275893965, 386251551, 643752585, 1931257755]

約数ペア:

[(1, 1931257755), (3, 643752585), (5, 386251551), (7, 275893965), (9, 214584195), (15, 128750517), (19, 101645145), (21, 91964655), (27, 71528065), (29, 66595095), (35, 55178793), (45, 42916839), (57, 33881715), (63, 30654885), (87, 22198365), (95, 20329029), (105, 18392931), (133, 14520735), (135, 14305613), (145, 13319019), (171, 11293905), (189, 10218295), (203, 9513585), (261, 7399455), (285, 6776343), (315, 6130977), (399, 4840245), (435, 4439673), (513, 3764635), (551, 3505005), (609, 3171195), (665, 2904147), (783, 2466485), (855, 2258781), (945, 2043659), (1015, 1902717), (1197, 1613415), (1305, 1479891), (1653, 1168335), (1827, 1057065), (1995, 968049), (2565, 752927), (2755, 701001), (3045, 634239), (3591, 537805), (3709, 520695), (3857, 500715), (3915, 493297), (4959, 389445), (5481, 352355), (5985, 322683), (8265, 233667), (9135, 211413), (11127, 173565), (11571, 166905), (14877, 129815), (17955, 107561), (18545, 104139), (19285, 100143), (24795, 77889), (25963, 74385), (27405, 70471), (33381, 57855), (34713, 55635)]