2979921

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3461}}^1$

素因数の和:3512

約数の個数: 16

約数和(自身を含む): 4652928

約数和(自身を除く): 1673007

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 3461, 10383, 24227, 72681, 141901, 425703, 993307, 2979921]

約数ペア:

[(1, 2979921), (3, 993307), (7, 425703), (21, 141901), (41, 72681), (123, 24227), (287, 10383), (861, 3461)]