919191

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{37}}^1$

素因数の和:80

約数の個数: 36

約数和(自身を含む): 1585512

約数和(自身を除く): 666321

約数列:

[1, 3, 7, 13, 21, 37, 39, 49, 91, 111, 147, 169, 259, 273, 481, 507, 637, 777, 1183, 1443, 1813, 1911, 3367, 3549, 5439, 6253, 8281, 10101, 18759, 23569, 24843, 43771, 70707, 131313, 306397, 919191]

約数ペア:

[(1, 919191), (3, 306397), (7, 131313), (13, 70707), (21, 43771), (37, 24843), (39, 23569), (49, 18759), (91, 10101), (111, 8281), (147, 6253), (169, 5439), (259, 3549), (273, 3367), (481, 1911), (507, 1813), (637, 1443), (777, 1183)]