978996921

素因数分解:

$3^1\times 7^2\times {\mathrm{6659843}}^1$

素因数の和:6659860

約数の個数: 12

約数和(自身を含む): 1518444432

約数和(自身を除く): 539447511

約数列:

[1, 3, 7, 21, 49, 147, 6659843, 19979529, 46618901, 139856703, 326332307, 978996921]

約数ペア:

[(1, 978996921), (3, 326332307), (7, 139856703), (21, 46618901), (49, 19979529), (147, 6659843)]