15660953

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 21012480

約数和(自身を除く): 5351527

約数列:

[1, 7, 11, 23, 37, 77, 161, 239, 253, 259, 407, 851, 1673, 1771, 2629, 2849, 5497, 5957, 8843, 9361, 18403, 38479, 60467, 61901, 65527, 97273, 203389, 423269, 680911, 1423723, 2237279, 15660953]

約数ペア:

[(1, 15660953), (7, 2237279), (11, 1423723), (23, 680911), (37, 423269), (77, 203389), (161, 97273), (239, 65527), (253, 61901), (259, 60467), (407, 38479), (851, 18403), (1673, 9361), (1771, 8843), (2629, 5957), (2849, 5497)]