68490513

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{347}}^1$

素因数の和:614

約数の個数: 48

約数和(自身を含む): 122618496

約数和(自身を除く): 54127983

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 241, 273, 347, 723, 819, 1041, 1687, 2169, 2429, 3123, 3133, 4511, 5061, 7287, 9399, 13533, 15183, 21861, 21931, 28197, 31577, 40599, 65793, 83627, 94731, 197379, 250881, 284193, 585389, 752643, 1087151, 1756167, 3261453, 5268501, 7610057, 9784359, 22830171, 68490513]

約数ペア:

[(1, 68490513), (3, 22830171), (7, 9784359), (9, 7610057), (13, 5268501), (21, 3261453), (39, 1756167), (63, 1087151), (91, 752643), (117, 585389), (241, 284193), (273, 250881), (347, 197379), (723, 94731), (819, 83627), (1041, 65793), (1687, 40599), (2169, 31577), (2429, 28197), (3123, 21931), (3133, 21861), (4511, 15183), (5061, 13533), (7287, 9399)]