7891611

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 13106688

約数和(自身を除く): 5215077

約数列:

[1, 3, 7, 13, 21, 39, 91, 137, 211, 273, 411, 633, 959, 1477, 1781, 2743, 2877, 4431, 5343, 8229, 12467, 19201, 28907, 37401, 57603, 86721, 202349, 375791, 607047, 1127373, 2630537, 7891611]

約数ペア:

[(1, 7891611), (3, 2630537), (7, 1127373), (13, 607047), (21, 375791), (39, 202349), (91, 86721), (137, 57603), (211, 37401), (273, 28907), (411, 19201), (633, 12467), (959, 8229), (1477, 5343), (1781, 4431), (2743, 2877)]