28018785

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1571}}^1$

素因数の和:1649

約数の個数: 32

約数和(自身を含む): 47537280

約数和(自身を除く): 19518495

約数列:

[1, 3, 5, 15, 29, 41, 87, 123, 145, 205, 435, 615, 1189, 1571, 3567, 4713, 5945, 7855, 17835, 23565, 45559, 64411, 136677, 193233, 227795, 322055, 683385, 966165, 1867919, 5603757, 9339595, 28018785]

約数ペア:

[(1, 28018785), (3, 9339595), (5, 5603757), (15, 1867919), (29, 966165), (41, 683385), (87, 322055), (123, 227795), (145, 193233), (205, 136677), (435, 64411), (615, 45559), (1189, 23565), (1571, 17835), (3567, 7855), (4713, 5945)]