201815679

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{599}}^1$

素因数の和:831

約数の個数: 32

約数和(自身を含む): 297561600

約数和(自身を除く): 95745921

約数列:

[1, 3, 13, 39, 53, 159, 163, 489, 599, 689, 1797, 2067, 2119, 6357, 7787, 8639, 23361, 25917, 31747, 95241, 97637, 112307, 292911, 336921, 412711, 1238133, 1269281, 3807843, 5174761, 15524283, 67271893, 201815679]

約数ペア:

[(1, 201815679), (3, 67271893), (13, 15524283), (39, 5174761), (53, 3807843), (159, 1269281), (163, 1238133), (489, 412711), (599, 336921), (689, 292911), (1797, 112307), (2067, 97637), (2119, 95241), (6357, 31747), (7787, 25917), (8639, 23361)]