81493587

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{6073}}^1$

素因数の和:6160

約数の個数: 32

約数和(自身を含む): 139944960

約数和(自身を除く): 58451373

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 189, 213, 497, 639, 1491, 1917, 4473, 6073, 13419, 18219, 42511, 54657, 127533, 163971, 382599, 431183, 1147797, 1293549, 3018281, 3880647, 9054843, 11641941, 27164529, 81493587]

約数ペア:

[(1, 81493587), (3, 27164529), (7, 11641941), (9, 9054843), (21, 3880647), (27, 3018281), (63, 1293549), (71, 1147797), (189, 431183), (213, 382599), (497, 163971), (639, 127533), (1491, 54657), (1917, 42511), (4473, 18219), (6073, 13419)]