30701511

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{19949}}^1$

素因数の和:19980

約数の個数: 20

約数和(自身を含む): 48279000

約数和(自身を除く): 17577489

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 19949, 59847, 179541, 379031, 538623, 1137093, 1615869, 3411279, 10233837, 30701511]

約数ペア:

[(1, 30701511), (3, 10233837), (9, 3411279), (19, 1615869), (27, 1137093), (57, 538623), (81, 379031), (171, 179541), (513, 59847), (1539, 19949)]