2220278931

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4001}}^1$

素因数の和:4074

約数の個数: 80

約数和(自身を含む): 3904927488

約数和(自身を除く): 1684648557

約数列:

[1, 3, 9, 13, 17, 27, 31, 39, 51, 81, 93, 117, 153, 221, 279, 351, 403, 459, 527, 663, 837, 1053, 1209, 1377, 1581, 1989, 2511, 3627, 4001, 4743, 5967, 6851, 10881, 12003, 14229, 17901, 20553, 32643, 36009, 42687, 52013, 61659, 68017, 108027, 124031, 156039, 184977, 204051, 324081, 372093, 468117, 554931, 612153, 884221, 1116279, 1404351, 1612403, 1836459, 2108527, 2652663, 3348837, 4213053, 4837209, 5509377, 6325581, 7957989, 10046511, 14511627, 18976743, 23873967, 27410851, 43534881, 56930229, 71621901, 82232553, 130604643, 170790687, 246697659, 740092977, 2220278931]

約数ペア:

[(1, 2220278931), (3, 740092977), (9, 246697659), (13, 170790687), (17, 130604643), (27, 82232553), (31, 71621901), (39, 56930229), (51, 43534881), (81, 27410851), (93, 23873967), (117, 18976743), (153, 14511627), (221, 10046511), (279, 7957989), (351, 6325581), (403, 5509377), (459, 4837209), (527, 4213053), (663, 3348837), (837, 2652663), (1053, 2108527), (1209, 1836459), (1377, 1612403), (1581, 1404351), (1989, 1116279), (2511, 884221), (3627, 612153), (4001, 554931), (4743, 468117), (5967, 372093), (6851, 324081), (10881, 204051), (12003, 184977), (14229, 156039), (17901, 124031), (20553, 108027), (32643, 68017), (36009, 61659), (42687, 52013)]