389928633

素因数分解:

$3^1\times {\mathrm{31}}^2\times {\mathrm{211}}^1\times {\mathrm{641}}^1$

素因数の和:917

約数の個数: 24

約数和(自身を含む): 540605088

約数和(自身を除く): 150676455

約数列:

[1, 3, 31, 93, 211, 633, 641, 961, 1923, 2883, 6541, 19623, 19871, 59613, 135251, 202771, 405753, 608313, 616001, 1848003, 4192781, 12578343, 129976211, 389928633]

約数ペア:

[(1, 389928633), (3, 129976211), (31, 12578343), (93, 4192781), (211, 1848003), (633, 616001), (641, 608313), (961, 405753), (1923, 202771), (2883, 135251), (6541, 59613), (19623, 19871)]