1988295

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:163

約数の個数: 32

約数和(自身を含む): 3374784

約数和(自身を除く): 1386489

約数列:

[1, 3, 5, 15, 41, 53, 61, 123, 159, 183, 205, 265, 305, 615, 795, 915, 2173, 2501, 3233, 6519, 7503, 9699, 10865, 12505, 16165, 32595, 37515, 48495, 132553, 397659, 662765, 1988295]

約数ペア:

[(1, 1988295), (3, 662765), (5, 397659), (15, 132553), (41, 48495), (53, 37515), (61, 32595), (123, 16165), (159, 12505), (183, 10865), (205, 9699), (265, 7503), (305, 6519), (615, 3233), (795, 2501), (915, 2173)]