145708521

素因数分解:

$3^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{16481}}^1$

素因数の和:16912

約数の個数: 16

約数和(自身を含む): 222572928

約数和(自身を除く): 76864407

約数列:

[1, 3, 7, 21, 421, 1263, 2947, 8841, 16481, 49443, 115367, 346101, 6938501, 20815503, 48569507, 145708521]

約数ペア:

[(1, 145708521), (3, 48569507), (7, 20815503), (21, 6938501), (421, 346101), (1263, 115367), (2947, 49443), (8841, 16481)]