78802515

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{401}}^1$

素因数の和:820

約数の個数: 48

約数和(自身を含む): 149756256

約数和(自身を除く): 70953741

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 397, 401, 495, 1191, 1203, 1985, 2005, 3573, 3609, 4367, 4411, 5955, 6015, 13101, 13233, 17865, 18045, 21835, 22055, 39303, 39699, 65505, 66165, 159197, 196515, 198495, 477591, 795985, 1432773, 1751167, 2387955, 5253501, 7163865, 8755835, 15760503, 26267505, 78802515]

約数ペア:

[(1, 78802515), (3, 26267505), (5, 15760503), (9, 8755835), (11, 7163865), (15, 5253501), (33, 2387955), (45, 1751167), (55, 1432773), (99, 795985), (165, 477591), (397, 198495), (401, 196515), (495, 159197), (1191, 66165), (1203, 65505), (1985, 39699), (2005, 39303), (3573, 22055), (3609, 21835), (4367, 18045), (4411, 17865), (5955, 13233), (6015, 13101)]