128338623

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{487}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 219248640

約数和(自身を除く): 90910017

約数列:

[1, 3, 7, 9, 21, 47, 63, 89, 141, 267, 329, 423, 487, 623, 801, 987, 1461, 1869, 2961, 3409, 4183, 4383, 5607, 10227, 12549, 22889, 29281, 30681, 37647, 43343, 68667, 87843, 130029, 160223, 206001, 263529, 303401, 390087, 480669, 910203, 1442007, 2037121, 2730609, 6111363, 14259847, 18334089, 42779541, 128338623]

約数ペア:

[(1, 128338623), (3, 42779541), (7, 18334089), (9, 14259847), (21, 6111363), (47, 2730609), (63, 2037121), (89, 1442007), (141, 910203), (267, 480669), (329, 390087), (423, 303401), (487, 263529), (623, 206001), (801, 160223), (987, 130029), (1461, 87843), (1869, 68667), (2961, 43343), (3409, 37647), (4183, 30681), (4383, 29281), (5607, 22889), (10227, 12549)]