213983997

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{22651}}^1$

素因数の和:22768

約数の個数: 16

約数和(自身を含む): 295744512

約数和(自身を除く): 81760515

約数列:

[1, 3, 47, 67, 141, 201, 3149, 9447, 22651, 67953, 1064597, 1517617, 3193791, 4552851, 71327999, 213983997]

約数ペア:

[(1, 213983997), (3, 71327999), (47, 4552851), (67, 3193791), (141, 1517617), (201, 1064597), (3149, 67953), (9447, 22651)]