15647931

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{409}}^1$

素因数の和:540

約数の個数: 32

約数和(自身を含む): 25256000

約数和(自身を除く): 9608069

約数列:

[1, 3, 9, 13, 27, 39, 109, 117, 327, 351, 409, 981, 1227, 1417, 2943, 3681, 4251, 5317, 11043, 12753, 15951, 38259, 44581, 47853, 133743, 143559, 401229, 579553, 1203687, 1738659, 5215977, 15647931]

約数ペア:

[(1, 15647931), (3, 5215977), (9, 1738659), (13, 1203687), (27, 579553), (39, 401229), (109, 143559), (117, 133743), (327, 47853), (351, 44581), (409, 38259), (981, 15951), (1227, 12753), (1417, 11043), (2943, 5317), (3681, 4251)]