78528723

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:181

約数の個数: 72

約数和(自身を含む): 137689200

約数和(自身を除く): 59160477

約数列:

[1, 3, 7, 13, 21, 29, 39, 49, 87, 91, 109, 147, 169, 203, 273, 327, 377, 507, 609, 637, 763, 1131, 1183, 1417, 1421, 1911, 2289, 2639, 3161, 3549, 4251, 4263, 4901, 5341, 7917, 8281, 9483, 9919, 14703, 16023, 18421, 18473, 22127, 24843, 29757, 34307, 41093, 55263, 55419, 66381, 69433, 102921, 123279, 128947, 154889, 208299, 240149, 287651, 386841, 464667, 534209, 720447, 862953, 902629, 1602627, 2013557, 2707887, 3739463, 6040671, 11218389, 26176241, 78528723]

約数ペア:

[(1, 78528723), (3, 26176241), (7, 11218389), (13, 6040671), (21, 3739463), (29, 2707887), (39, 2013557), (49, 1602627), (87, 902629), (91, 862953), (109, 720447), (147, 534209), (169, 464667), (203, 386841), (273, 287651), (327, 240149), (377, 208299), (507, 154889), (609, 128947), (637, 123279), (763, 102921), (1131, 69433), (1183, 66381), (1417, 55419), (1421, 55263), (1911, 41093), (2289, 34307), (2639, 29757), (3161, 24843), (3549, 22127), (4251, 18473), (4263, 18421), (4901, 16023), (5341, 14703), (7917, 9919), (8281, 9483)]