10111101

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1$

素因数の和:91

約数の個数: 72

約数和(自身を含む): 19026144

約数和(自身を除く): 8915043

約数列:

[1, 3, 7, 11, 13, 21, 33, 37, 39, 49, 77, 91, 111, 143, 147, 169, 231, 259, 273, 407, 429, 481, 507, 539, 637, 777, 1001, 1183, 1221, 1443, 1617, 1813, 1859, 1911, 2849, 3003, 3367, 3549, 5291, 5439, 5577, 6253, 7007, 8281, 8547, 10101, 13013, 15873, 18759, 19943, 21021, 23569, 24843, 37037, 39039, 43771, 59829, 68783, 70707, 91091, 111111, 131313, 206349, 259259, 273273, 306397, 481481, 777777, 919191, 1444443, 3370367, 10111101]

約数ペア:

[(1, 10111101), (3, 3370367), (7, 1444443), (11, 919191), (13, 777777), (21, 481481), (33, 306397), (37, 273273), (39, 259259), (49, 206349), (77, 131313), (91, 111111), (111, 91091), (143, 70707), (147, 68783), (169, 59829), (231, 43771), (259, 39039), (273, 37037), (407, 24843), (429, 23569), (481, 21021), (507, 19943), (539, 18759), (637, 15873), (777, 13013), (1001, 10101), (1183, 8547), (1221, 8281), (1443, 7007), (1617, 6253), (1813, 5577), (1859, 5439), (1911, 5291), (2849, 3549), (3003, 3367)]