61982991

素因数分解:

$3^2\times 7^2\times {\mathrm{140551}}^1$

素因数の和:140571

約数の個数: 18

約数和(自身を含む): 104149032

約数和(自身を除く): 42166041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 140551, 421653, 983857, 1264959, 2951571, 6886999, 8854713, 20660997, 61982991]

約数ペア:

[(1, 61982991), (3, 20660997), (7, 8854713), (9, 6886999), (21, 2951571), (49, 1264959), (63, 983857), (147, 421653), (441, 140551)]