80212221

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{2039}}^1$

素因数の和:2126

約数の個数: 32

約数和(自身を含む): 125337600

約数和(自身を除く): 45125379

約数列:

[1, 3, 9, 27, 31, 47, 93, 141, 279, 423, 837, 1269, 1457, 2039, 4371, 6117, 13113, 18351, 39339, 55053, 63209, 95833, 189627, 287499, 568881, 862497, 1706643, 2587491, 2970823, 8912469, 26737407, 80212221]

約数ペア:

[(1, 80212221), (3, 26737407), (9, 8912469), (27, 2970823), (31, 2587491), (47, 1706643), (93, 862497), (141, 568881), (279, 287499), (423, 189627), (837, 95833), (1269, 63209), (1457, 55053), (2039, 39339), (4371, 18351), (6117, 13113)]