16561198557

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{363017}}^1$

素因数の和:363197

約数の個数: 24

約数和(自身を含む): 24747663096

約数和(自身を除く): 8186464539

約数列:

[1, 3, 9, 37, 111, 137, 333, 411, 1233, 5069, 15207, 45621, 363017, 1089051, 3267153, 13431629, 40294887, 49733329, 120884661, 149199987, 447599961, 1840133173, 5520399519, 16561198557]

約数ペア:

[(1, 16561198557), (3, 5520399519), (9, 1840133173), (37, 447599961), (111, 149199987), (137, 120884661), (333, 49733329), (411, 40294887), (1233, 13431629), (5069, 3267153), (15207, 1089051), (45621, 363017)]