206864931

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{5531}}^1$

素因数の和:5691

約数の個数: 32

約数和(自身を含む): 342010368

約数和(自身を除く): 135145437

約数列:

[1, 3, 7, 13, 21, 39, 91, 137, 273, 411, 959, 1781, 2877, 5343, 5531, 12467, 16593, 37401, 38717, 71903, 116151, 215709, 503321, 757747, 1509963, 2273241, 5304229, 9850711, 15912687, 29552133, 68954977, 206864931]

約数ペア:

[(1, 206864931), (3, 68954977), (7, 29552133), (13, 15912687), (21, 9850711), (39, 5304229), (91, 2273241), (137, 1509963), (273, 757747), (411, 503321), (959, 215709), (1781, 116151), (2877, 71903), (5343, 38717), (5531, 37401), (12467, 16593)]