168603981

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{2927}}^1$

素因数の和:3161

約数の個数: 32

約数和(自身を含む): 278089728

約数和(自身を除く): 109485747

約数列:

[1, 3, 7, 13, 21, 39, 91, 211, 273, 633, 1477, 2743, 2927, 4431, 8229, 8781, 19201, 20489, 38051, 57603, 61467, 114153, 266357, 617597, 799071, 1852791, 4323179, 8028761, 12969537, 24086283, 56201327, 168603981]

約数ペア:

[(1, 168603981), (3, 56201327), (7, 24086283), (13, 12969537), (21, 8028761), (39, 4323179), (91, 1852791), (211, 799071), (273, 617597), (633, 266357), (1477, 114153), (2743, 61467), (2927, 57603), (4431, 38051), (8229, 20489), (8781, 19201)]