64972509

素因数分解:

$3^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{7349}}^1$

素因数の和:7780

約数の個数: 16

約数和(自身を含む): 99254400

約数和(自身を除く): 34281891

約数列:

[1, 3, 7, 21, 421, 1263, 2947, 7349, 8841, 22047, 51443, 154329, 3093929, 9281787, 21657503, 64972509]

約数ペア:

[(1, 64972509), (3, 21657503), (7, 9281787), (21, 3093929), (421, 154329), (1263, 51443), (2947, 22047), (7349, 8841)]