81652557

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1811}}^1$

素因数の和:1953

約数の個数: 32

約数和(自身を含む): 132203520

約数和(自身を除く): 50550963

約数列:

[1, 3, 7, 19, 21, 57, 113, 133, 339, 399, 791, 1811, 2147, 2373, 5433, 6441, 12677, 15029, 34409, 38031, 45087, 103227, 204643, 240863, 613929, 722589, 1432501, 3888217, 4297503, 11664651, 27217519, 81652557]

約数ペア:

[(1, 81652557), (3, 27217519), (7, 11664651), (19, 4297503), (21, 3888217), (57, 1432501), (113, 722589), (133, 613929), (339, 240863), (399, 204643), (791, 103227), (1811, 45087), (2147, 38031), (2373, 34409), (5433, 15029), (6441, 12677)]