279201741

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:402

約数の個数: 64

約数和(自身を含む): 476399616

約数和(自身を除く): 197197875

約数列:

[1, 3, 7, 13, 21, 37, 39, 91, 111, 131, 211, 259, 273, 393, 481, 633, 777, 917, 1443, 1477, 1703, 2743, 2751, 3367, 4431, 4847, 5109, 7807, 8229, 10101, 11921, 14541, 19201, 23421, 27641, 33929, 35763, 54649, 57603, 63011, 82923, 101491, 101787, 163947, 189033, 193487, 304473, 359333, 441077, 580461, 710437, 1022717, 1077999, 1323231, 2131311, 2515331, 3068151, 7159019, 7545993, 13295321, 21477057, 39885963, 93067247, 279201741]

約数ペア:

[(1, 279201741), (3, 93067247), (7, 39885963), (13, 21477057), (21, 13295321), (37, 7545993), (39, 7159019), (91, 3068151), (111, 2515331), (131, 2131311), (211, 1323231), (259, 1077999), (273, 1022717), (393, 710437), (481, 580461), (633, 441077), (777, 359333), (917, 304473), (1443, 193487), (1477, 189033), (1703, 163947), (2743, 101787), (2751, 101491), (3367, 82923), (4431, 63011), (4847, 57603), (5109, 54649), (7807, 35763), (8229, 33929), (10101, 27641), (11921, 23421), (14541, 19201)]