171187641

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{349}}^1\times {\mathrm{491}}^1$

素因数の和:886

約数の個数: 32

約数和(自身を含む): 261744000

約数和(自身を除く): 90556359

約数列:

[1, 3, 9, 27, 37, 111, 333, 349, 491, 999, 1047, 1473, 3141, 4419, 9423, 12913, 13257, 18167, 38739, 54501, 116217, 163503, 171359, 348651, 490509, 514077, 1542231, 4626693, 6340283, 19020849, 57062547, 171187641]

約数ペア:

[(1, 171187641), (3, 57062547), (9, 19020849), (27, 6340283), (37, 4626693), (111, 1542231), (333, 514077), (349, 490509), (491, 348651), (999, 171359), (1047, 163503), (1473, 116217), (3141, 54501), (4419, 38739), (9423, 18167), (12913, 13257)]