2748921

素因数分解:

$3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{587}}^1$

素因数の和:820

約数の個数: 16

約数和(自身を含む): 4214784

約数和(自身を除く): 1465863

約数列:

[1, 3, 7, 21, 223, 587, 669, 1561, 1761, 4109, 4683, 12327, 130901, 392703, 916307, 2748921]

約数ペア:

[(1, 2748921), (3, 916307), (7, 392703), (21, 130901), (223, 12327), (587, 4683), (669, 4109), (1561, 1761)]