1998465

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{2719}}^1$

素因数の和:2741

約数の個数: 24

約数和(自身を含む): 3720960

約数和(自身を除く): 1722495

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 2719, 8157, 13595, 19033, 40785, 57099, 95165, 133231, 285495, 399693, 666155, 1998465]

約数ペア:

[(1, 1998465), (3, 666155), (5, 399693), (7, 285495), (15, 133231), (21, 95165), (35, 57099), (49, 40785), (105, 19033), (147, 13595), (245, 8157), (735, 2719)]