11939715

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 21767616

約数和(自身を除く): 9827901

約数列:

[1, 3, 5, 9, 15, 37, 45, 71, 101, 111, 185, 213, 303, 333, 355, 505, 555, 639, 909, 1065, 1515, 1665, 2627, 3195, 3737, 4545, 7171, 7881, 11211, 13135, 18685, 21513, 23643, 33633, 35855, 39405, 56055, 64539, 107565, 118215, 168165, 265327, 322695, 795981, 1326635, 2387943, 3979905, 11939715]

約数ペア:

[(1, 11939715), (3, 3979905), (5, 2387943), (9, 1326635), (15, 795981), (37, 322695), (45, 265327), (71, 168165), (101, 118215), (111, 107565), (185, 64539), (213, 56055), (303, 39405), (333, 35855), (355, 33633), (505, 23643), (555, 21513), (639, 18685), (909, 13135), (1065, 11211), (1515, 7881), (1665, 7171), (2627, 4545), (3195, 3737)]