121815475

素因数分解:

$5^2\times {\mathrm{23}}^2\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:268

約数の個数: 36

約数和(自身を含む): 161555632

約数和(自身を除く): 39740157

約数列:

[1, 5, 23, 25, 61, 115, 151, 305, 529, 575, 755, 1403, 1525, 2645, 3473, 3775, 7015, 9211, 13225, 17365, 32269, 35075, 46055, 79879, 86825, 161345, 211853, 230275, 399395, 806725, 1059265, 1996975, 4872619, 5296325, 24363095, 121815475]

約数ペア:

[(1, 121815475), (5, 24363095), (23, 5296325), (25, 4872619), (61, 1996975), (115, 1059265), (151, 806725), (305, 399395), (529, 230275), (575, 211853), (755, 161345), (1403, 86825), (1525, 79879), (2645, 46055), (3473, 35075), (3775, 32269), (7015, 17365), (9211, 13225)]