23109723

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:201

約数の個数: 72

約数和(自身を含む): 43570800

約数和(自身を除く): 20461077

約数列:

[1, 3, 7, 9, 13, 21, 29, 39, 49, 63, 87, 91, 117, 139, 147, 203, 261, 273, 377, 417, 441, 609, 637, 819, 973, 1131, 1251, 1421, 1807, 1827, 1911, 2639, 2919, 3393, 4031, 4263, 5421, 5733, 6811, 7917, 8757, 12093, 12649, 12789, 16263, 18473, 20433, 23751, 28217, 36279, 37947, 52403, 55419, 61299, 84651, 88543, 113841, 157209, 166257, 197519, 253953, 265629, 366821, 471627, 592557, 796887, 1100463, 1777671, 2567747, 3301389, 7703241, 23109723]

約数ペア:

[(1, 23109723), (3, 7703241), (7, 3301389), (9, 2567747), (13, 1777671), (21, 1100463), (29, 796887), (39, 592557), (49, 471627), (63, 366821), (87, 265629), (91, 253953), (117, 197519), (139, 166257), (147, 157209), (203, 113841), (261, 88543), (273, 84651), (377, 61299), (417, 55419), (441, 52403), (609, 37947), (637, 36279), (819, 28217), (973, 23751), (1131, 20433), (1251, 18473), (1421, 16263), (1807, 12789), (1827, 12649), (1911, 12093), (2639, 8757), (2919, 7917), (3393, 6811), (4031, 5733), (4263, 5421)]