80211951

素因数分解:

$3^4\times {\mathrm{433}}^1\times {\mathrm{2287}}^1$

素因数の和:2732

約数の個数: 20

約数和(自身を含む): 120152032

約数和(自身を除く): 39940081

約数列:

[1, 3, 9, 27, 81, 433, 1299, 2287, 3897, 6861, 11691, 20583, 35073, 61749, 185247, 990271, 2970813, 8912439, 26737317, 80211951]

約数ペア:

[(1, 80211951), (3, 26737317), (9, 8912439), (27, 2970813), (81, 990271), (433, 185247), (1299, 61749), (2287, 35073), (3897, 20583), (6861, 11691)]