78400725

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{421}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 140657664

約数和(自身を除く): 62256939

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 191, 195, 325, 421, 573, 955, 975, 1263, 2105, 2483, 2865, 4775, 5473, 6315, 7449, 10525, 12415, 14325, 16419, 27365, 31575, 37245, 62075, 80411, 82095, 136825, 186225, 241233, 402055, 410475, 1045343, 1206165, 2010275, 3136029, 5226715, 6030825, 15680145, 26133575, 78400725]

約数ペア:

[(1, 78400725), (3, 26133575), (5, 15680145), (13, 6030825), (15, 5226715), (25, 3136029), (39, 2010275), (65, 1206165), (75, 1045343), (191, 410475), (195, 402055), (325, 241233), (421, 186225), (573, 136825), (955, 82095), (975, 80411), (1263, 62075), (2105, 37245), (2483, 31575), (2865, 27365), (4775, 16419), (5473, 14325), (6315, 12415), (7449, 10525)]