15651155

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:108

約数の個数: 48

約数和(自身を含む): 23042880

約数和(自身を除く): 7391725

約数列:

[1, 5, 13, 19, 23, 29, 65, 95, 115, 145, 247, 299, 361, 377, 437, 551, 667, 1235, 1495, 1805, 1885, 2185, 2755, 3335, 4693, 5681, 7163, 8303, 8671, 10469, 12673, 23465, 28405, 35815, 41515, 43355, 52345, 63365, 107939, 136097, 164749, 240787, 539695, 680485, 823745, 1203935, 3130231, 15651155]

約数ペア:

[(1, 15651155), (5, 3130231), (13, 1203935), (19, 823745), (23, 680485), (29, 539695), (65, 240787), (95, 164749), (115, 136097), (145, 107939), (247, 63365), (299, 52345), (361, 43355), (377, 41515), (437, 35815), (551, 28405), (667, 23465), (1235, 12673), (1495, 10469), (1805, 8671), (1885, 8303), (2185, 7163), (2755, 5681), (3335, 4693)]