13880391

素因数分解:

$3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{2153}}^1$

素因数の和:2470

約数の個数: 16

約数和(自身を含む): 21229824

約数和(自身を除く): 7349433

約数列:

[1, 3, 7, 21, 307, 921, 2149, 2153, 6447, 6459, 15071, 45213, 660971, 1982913, 4626797, 13880391]

約数ペア:

[(1, 13880391), (3, 4626797), (7, 1982913), (21, 660971), (307, 45213), (921, 15071), (2149, 6459), (2153, 6447)]