18108675

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 36018528

約数和(自身を除く): 17909853

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 41, 45, 65, 75, 117, 123, 151, 195, 205, 225, 325, 369, 453, 533, 585, 615, 755, 975, 1025, 1359, 1599, 1845, 1963, 2265, 2665, 2925, 3075, 3775, 4797, 5889, 6191, 6795, 7995, 9225, 9815, 11325, 13325, 17667, 18573, 23985, 29445, 30955, 33975, 39975, 49075, 55719, 80483, 88335, 92865, 119925, 147225, 154775, 241449, 278595, 402415, 441675, 464325, 724347, 1207245, 1392975, 2012075, 3621735, 6036225, 18108675]

約数ペア:

[(1, 18108675), (3, 6036225), (5, 3621735), (9, 2012075), (13, 1392975), (15, 1207245), (25, 724347), (39, 464325), (41, 441675), (45, 402415), (65, 278595), (75, 241449), (117, 154775), (123, 147225), (151, 119925), (195, 92865), (205, 88335), (225, 80483), (325, 55719), (369, 49075), (453, 39975), (533, 33975), (585, 30955), (615, 29445), (755, 23985), (975, 18573), (1025, 17667), (1359, 13325), (1599, 11325), (1845, 9815), (1963, 9225), (2265, 7995), (2665, 6795), (2925, 6191), (3075, 5889), (3775, 4797)]