30723057

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{19963}}^1$

素因数の和:19994

約数の個数: 20

約数和(自身を含む): 48312880

約数和(自身を除く): 17589823

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 19963, 59889, 179667, 379297, 539001, 1137891, 1617003, 3413673, 10241019, 30723057]

約数ペア:

[(1, 30723057), (3, 10241019), (9, 3413673), (19, 1617003), (27, 1137891), (57, 539001), (81, 379297), (171, 179667), (513, 59889), (1539, 19963)]