129230913

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{773}}^1$

素因数の和:1221

約数の個数: 32

約数和(自身を含む): 208051200

約数和(自身を除く): 78820287

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 419, 773, 1257, 2319, 2933, 5411, 7961, 8799, 14687, 16233, 23883, 44061, 55727, 102809, 167181, 308427, 323887, 971661, 2267209, 6153853, 6801627, 18461559, 43076971, 129230913]

約数ペア:

[(1, 129230913), (3, 43076971), (7, 18461559), (19, 6801627), (21, 6153853), (57, 2267209), (133, 971661), (399, 323887), (419, 308427), (773, 167181), (1257, 102809), (2319, 55727), (2933, 44061), (5411, 23883), (7961, 16233), (8799, 14687)]