207868311

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{283}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 350887680

約数和(自身を除く): 143019369

約数列:

[1, 3, 7, 9, 21, 63, 89, 131, 267, 283, 393, 623, 801, 849, 917, 1179, 1869, 1981, 2547, 2751, 5607, 5943, 8253, 11659, 17829, 25187, 34977, 37073, 75561, 81613, 104931, 111219, 176309, 226683, 244839, 259511, 333657, 528927, 734517, 778533, 1586781, 2335599, 3299497, 9898491, 23096479, 29695473, 69289437, 207868311]

約数ペア:

[(1, 207868311), (3, 69289437), (7, 29695473), (9, 23096479), (21, 9898491), (63, 3299497), (89, 2335599), (131, 1586781), (267, 778533), (283, 734517), (393, 528927), (623, 333657), (801, 259511), (849, 244839), (917, 226683), (1179, 176309), (1869, 111219), (1981, 104931), (2547, 81613), (2751, 75561), (5607, 37073), (5943, 34977), (8253, 25187), (11659, 17829)]