15721072269

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{401}}^1\times {\mathrm{569}}^1$

素因数の和:1190

約数の個数: 64

約数和(自身を含む): 25605020160

約数和(自身を除く): 9883947891

約数列:

[1, 3, 7, 17, 21, 51, 119, 193, 357, 401, 569, 579, 1203, 1351, 1707, 2807, 3281, 3983, 4053, 6817, 8421, 9673, 9843, 11949, 20451, 22967, 29019, 47719, 67711, 68901, 77393, 109817, 143157, 203133, 228169, 232179, 329451, 541751, 684507, 768719, 1315681, 1597183, 1625253, 1866889, 2306157, 3878873, 3947043, 4791549, 5600667, 9209767, 11636619, 13068223, 27152111, 27629301, 39204669, 44036617, 81456333, 132109851, 308256319, 748622489, 924768957, 2245867467, 5240357423, 15721072269]

約数ペア:

[(1, 15721072269), (3, 5240357423), (7, 2245867467), (17, 924768957), (21, 748622489), (51, 308256319), (119, 132109851), (193, 81456333), (357, 44036617), (401, 39204669), (569, 27629301), (579, 27152111), (1203, 13068223), (1351, 11636619), (1707, 9209767), (2807, 5600667), (3281, 4791549), (3983, 3947043), (4053, 3878873), (6817, 2306157), (8421, 1866889), (9673, 1625253), (9843, 1597183), (11949, 1315681), (20451, 768719), (22967, 684507), (29019, 541751), (47719, 329451), (67711, 232179), (68901, 228169), (77393, 203133), (109817, 143157)]