815795883

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{212281}}^1$

素因数の和:212355

約数の個数: 24

約数和(自身を含む): 1368794336

約数和(自身を除く): 552998453

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 212281, 636843, 1485967, 1910529, 4457901, 12949141, 13373703, 38847423, 90643987, 116542269, 271931961, 815795883]

約数ペア:

[(1, 815795883), (3, 271931961), (7, 116542269), (9, 90643987), (21, 38847423), (61, 13373703), (63, 12949141), (183, 4457901), (427, 1910529), (549, 1485967), (1281, 636843), (3843, 212281)]