1661445

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:442

約数の個数: 32

約数和(自身を含む): 3056640

約数和(自身を除く): 1395195

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 397, 465, 837, 1191, 1395, 1985, 3573, 4185, 5955, 10719, 12307, 17865, 36921, 53595, 61535, 110763, 184605, 332289, 553815, 1661445]

約数ペア:

[(1, 1661445), (3, 553815), (5, 332289), (9, 184605), (15, 110763), (27, 61535), (31, 53595), (45, 36921), (93, 17865), (135, 12307), (155, 10719), (279, 5955), (397, 4185), (465, 3573), (837, 1985), (1191, 1395)]