663645171

素因数分解:

$3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{827}}^1$

素因数の和:1000

約数の個数: 48

約数和(自身を含む): 1060210944

約数和(自身を除く): 396565773

約数列:

[1, 3, 7, 21, 49, 53, 103, 147, 159, 309, 371, 721, 827, 1113, 2163, 2481, 2597, 5047, 5459, 5789, 7791, 15141, 16377, 17367, 38213, 40523, 43831, 85181, 114639, 121569, 131493, 255543, 267491, 306817, 596267, 802473, 920451, 1788801, 2147719, 4173869, 4514593, 6443157, 12521607, 13543779, 31602151, 94806453, 221215057, 663645171]

約数ペア:

[(1, 663645171), (3, 221215057), (7, 94806453), (21, 31602151), (49, 13543779), (53, 12521607), (103, 6443157), (147, 4514593), (159, 4173869), (309, 2147719), (371, 1788801), (721, 920451), (827, 802473), (1113, 596267), (2163, 306817), (2481, 267491), (2597, 255543), (5047, 131493), (5459, 121569), (5789, 114639), (7791, 85181), (15141, 43831), (16377, 40523), (17367, 38213)]