213036723

素因数分解:

$3^4\times {\mathrm{167}}^1\times {\mathrm{15749}}^1$

素因数の和:15928

約数の個数: 20

約数和(自身を含む): 320166000

約数和(自身を除く): 107129277

約数列:

[1, 3, 9, 27, 81, 167, 501, 1503, 4509, 13527, 15749, 47247, 141741, 425223, 1275669, 2630083, 7890249, 23670747, 71012241, 213036723]

約数ペア:

[(1, 213036723), (3, 71012241), (9, 23670747), (27, 7890249), (81, 2630083), (167, 1275669), (501, 425223), (1503, 141741), (4509, 47247), (13527, 15749)]