390045981

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{20369}}^1$

素因数の和:20876

約数の個数: 16

約数和(自身を含む): 561234240

約数和(自身を除く): 171188259

約数列:

[1, 3, 13, 39, 491, 1473, 6383, 19149, 20369, 61107, 264797, 794391, 10001179, 30003537, 130015327, 390045981]

約数ペア:

[(1, 390045981), (3, 130015327), (13, 30003537), (39, 10001179), (491, 794391), (1473, 264797), (6383, 61107), (19149, 20369)]