12154821

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{18671}}^1$

素因数の和:18712

約数の個数: 16

約数和(自身を含む): 19120128

約数和(自身を除く): 6965307

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 18671, 56013, 130697, 392091, 578801, 1736403, 4051607, 12154821]

約数ペア:

[(1, 12154821), (3, 4051607), (7, 1736403), (21, 578801), (31, 392091), (93, 130697), (217, 56013), (651, 18671)]