221208591

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{44879}}^1$

素因数の和:44966

約数の個数: 16

約数和(自身を含む): 310210560

約数和(自身を除く): 89001969

約数列:

[1, 3, 31, 53, 93, 159, 1643, 4929, 44879, 134637, 1391249, 2378587, 4173747, 7135761, 73736197, 221208591]

約数ペア:

[(1, 221208591), (3, 73736197), (31, 7135761), (53, 4173747), (93, 2378587), (159, 1391249), (1643, 134637), (4929, 44879)]