72638721

素因数分解:

$3^3\times {\mathrm{173}}^1\times {\mathrm{15551}}^1$

素因数の和:15733

約数の個数: 16

約数和(自身を含む): 108241920

約数和(自身を除く): 35603199

約数列:

[1, 3, 9, 27, 173, 519, 1557, 4671, 15551, 46653, 139959, 419877, 2690323, 8070969, 24212907, 72638721]

約数ペア:

[(1, 72638721), (3, 24212907), (9, 8070969), (27, 2690323), (173, 419877), (519, 139959), (1557, 46653), (4671, 15551)]