72401895

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:173

約数の個数: 96

約数和(自身を含む): 142331904

約数和(自身を除く): 69930009

約数列:

[1, 3, 5, 9, 15, 17, 31, 43, 45, 51, 71, 85, 93, 129, 153, 155, 213, 215, 255, 279, 355, 387, 465, 527, 639, 645, 731, 765, 1065, 1207, 1333, 1395, 1581, 1935, 2193, 2201, 2635, 3053, 3195, 3621, 3655, 3999, 4743, 6035, 6579, 6603, 6665, 7905, 9159, 10863, 10965, 11005, 11997, 15265, 18105, 19809, 19995, 22661, 23715, 27477, 32895, 33015, 37417, 45795, 51901, 54315, 59985, 67983, 94643, 99045, 112251, 113305, 137385, 155703, 187085, 203949, 259505, 283929, 336753, 339915, 467109, 473215, 561255, 778515, 851787, 1019745, 1419645, 1608931, 1683765, 2335545, 4258935, 4826793, 8044655, 14480379, 24133965, 72401895]

約数ペア:

[(1, 72401895), (3, 24133965), (5, 14480379), (9, 8044655), (15, 4826793), (17, 4258935), (31, 2335545), (43, 1683765), (45, 1608931), (51, 1419645), (71, 1019745), (85, 851787), (93, 778515), (129, 561255), (153, 473215), (155, 467109), (213, 339915), (215, 336753), (255, 283929), (279, 259505), (355, 203949), (387, 187085), (465, 155703), (527, 137385), (639, 113305), (645, 112251), (731, 99045), (765, 94643), (1065, 67983), (1207, 59985), (1333, 54315), (1395, 51901), (1581, 45795), (1935, 37417), (2193, 33015), (2201, 32895), (2635, 27477), (3053, 23715), (3195, 22661), (3621, 19995), (3655, 19809), (3999, 18105), (4743, 15265), (6035, 11997), (6579, 11005), (6603, 10965), (6665, 10863), (7905, 9159)]