861081909

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{213721}}^1$

素因数の和:213820

約数の個数: 16

約数和(自身を含む): 1231038720

約数和(自身を除く): 369956811

約数列:

[1, 3, 17, 51, 79, 237, 1343, 4029, 213721, 641163, 3633257, 10899771, 16883959, 50651877, 287027303, 861081909]

約数ペア:

[(1, 861081909), (3, 287027303), (17, 50651877), (51, 16883959), (79, 10899771), (237, 3633257), (1343, 641163), (4029, 213721)]