389670531

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1\times {\mathrm{263}}^1$

素因数の和:595

約数の個数: 32

約数和(自身を含む): 551992320

約数和(自身を除く): 162321789

約数列:

[1, 3, 23, 69, 109, 197, 263, 327, 591, 789, 2507, 4531, 6049, 7521, 13593, 18147, 21473, 28667, 51811, 64419, 86001, 155433, 493879, 659341, 1191653, 1481637, 1978023, 3574959, 5647399, 16942197, 129890177, 389670531]

約数ペア:

[(1, 389670531), (3, 129890177), (23, 16942197), (69, 5647399), (109, 3574959), (197, 1978023), (263, 1481637), (327, 1191653), (591, 659341), (789, 493879), (2507, 155433), (4531, 86001), (6049, 64419), (7521, 51811), (13593, 28667), (18147, 21473)]