193431

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:222

約数の個数: 16

約数和(自身を含む): 301568

約数和(自身を除く): 108137

約数列:

[1, 3, 7, 21, 61, 151, 183, 427, 453, 1057, 1281, 3171, 9211, 27633, 64477, 193431]

約数ペア:

[(1, 193431), (3, 64477), (7, 27633), (21, 9211), (61, 3171), (151, 1281), (183, 1057), (427, 453)]