12147213

素因数分解:

$3^1\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:158

約数の個数: 32

約数和(自身を含む): 18659200

約数和(自身を除く): 6511987

約数列:

[1, 3, 13, 19, 39, 57, 97, 169, 247, 291, 507, 741, 1261, 1843, 2197, 3211, 3783, 5529, 6591, 9633, 16393, 23959, 41743, 49179, 71877, 125229, 213109, 311467, 639327, 934401, 4049071, 12147213]

約数ペア:

[(1, 12147213), (3, 4049071), (13, 934401), (19, 639327), (39, 311467), (57, 213109), (97, 125229), (169, 71877), (247, 49179), (291, 41743), (507, 23959), (741, 16393), (1261, 9633), (1843, 6591), (2197, 5529), (3211, 3783)]