221617551207

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{138597593}}^1$

素因数の和:138597650

約数の個数: 16

約数和(自身を含む): 325981541088

約数和(自身を除く): 104363989881

約数列:

[1, 3, 13, 39, 41, 123, 533, 1599, 138597593, 415792779, 1801768709, 5405306127, 5682501313, 17047503939, 73872517069, 221617551207]

約数ペア:

[(1, 221617551207), (3, 73872517069), (13, 17047503939), (39, 5682501313), (41, 5405306127), (123, 1801768709), (533, 415792779), (1599, 138597593)]