28187115

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1229}}^1$

素因数の和:1387

約数の個数: 32

約数和(自身を含む): 49593600

約数和(自身を除く): 21406485

約数列:

[1, 3, 5, 11, 15, 33, 55, 139, 165, 417, 695, 1229, 1529, 2085, 3687, 4587, 6145, 7645, 13519, 18435, 22935, 40557, 67595, 170831, 202785, 512493, 854155, 1879141, 2562465, 5637423, 9395705, 28187115]

約数ペア:

[(1, 28187115), (3, 9395705), (5, 5637423), (11, 2562465), (15, 1879141), (33, 854155), (55, 512493), (139, 202785), (165, 170831), (417, 67595), (695, 40557), (1229, 22935), (1529, 18435), (2085, 13519), (3687, 7645), (4587, 6145)]