28695615

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:200

約数の個数: 64

約数和(自身を含む): 52641792

約数和(自身を除く): 23946177

約数列:

[1, 3, 5, 13, 15, 31, 39, 47, 65, 93, 101, 141, 155, 195, 235, 303, 403, 465, 505, 611, 705, 1209, 1313, 1457, 1515, 1833, 2015, 3055, 3131, 3939, 4371, 4747, 6045, 6565, 7285, 9165, 9393, 14241, 15655, 18941, 19695, 21855, 23735, 40703, 46965, 56823, 61711, 71205, 94705, 122109, 147157, 185133, 203515, 284115, 308555, 441471, 610545, 735785, 925665, 1913041, 2207355, 5739123, 9565205, 28695615]

約数ペア:

[(1, 28695615), (3, 9565205), (5, 5739123), (13, 2207355), (15, 1913041), (31, 925665), (39, 735785), (47, 610545), (65, 441471), (93, 308555), (101, 284115), (141, 203515), (155, 185133), (195, 147157), (235, 122109), (303, 94705), (403, 71205), (465, 61711), (505, 56823), (611, 46965), (705, 40703), (1209, 23735), (1313, 21855), (1457, 19695), (1515, 18941), (1833, 15655), (2015, 14241), (3055, 9393), (3131, 9165), (3939, 7285), (4371, 6565), (4747, 6045)]