123220818

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1801}}^1$

素因数の和:2000

約数の個数: 64

約数和(自身を含む): 314845440

約数和(自身を除く): 191624622

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 181, 189, 362, 378, 543, 1086, 1267, 1629, 1801, 2534, 3258, 3602, 3801, 4887, 5403, 7602, 9774, 10806, 11403, 12607, 16209, 22806, 25214, 32418, 34209, 37821, 48627, 68418, 75642, 97254, 113463, 226926, 325981, 340389, 651962, 680778, 977943, 1955886, 2281867, 2933829, 4563734, 5867658, 6845601, 8801487, 13691202, 17602974, 20536803, 41073606, 61610409, 123220818]

約数ペア:

[(1, 123220818), (2, 61610409), (3, 41073606), (6, 20536803), (7, 17602974), (9, 13691202), (14, 8801487), (18, 6845601), (21, 5867658), (27, 4563734), (42, 2933829), (54, 2281867), (63, 1955886), (126, 977943), (181, 680778), (189, 651962), (362, 340389), (378, 325981), (543, 226926), (1086, 113463), (1267, 97254), (1629, 75642), (1801, 68418), (2534, 48627), (3258, 37821), (3602, 34209), (3801, 32418), (4887, 25214), (5403, 22806), (7602, 16209), (9774, 12607), (10806, 11403)]