30820419

素因数分解:

$3^5\times 7^1\times {\mathrm{18119}}^1$

素因数の和:18141

約数の個数: 24

約数和(自身を含む): 52765440

約数和(自身を除く): 21945021

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 18119, 54357, 126833, 163071, 380499, 489213, 1141497, 1467639, 3424491, 4402917, 10273473, 30820419]

約数ペア:

[(1, 30820419), (3, 10273473), (7, 4402917), (9, 3424491), (21, 1467639), (27, 1141497), (63, 489213), (81, 380499), (189, 163071), (243, 126833), (567, 54357), (1701, 18119)]