80512215

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{40357}}^1$

素因数の和:40391

約数の個数: 32

約数和(自身を含む): 154974720

約数和(自身を除く): 74462505

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 40357, 121071, 201785, 282499, 605355, 766783, 847497, 1412495, 2300349, 3833915, 4237485, 5367481, 11501745, 16102443, 26837405, 80512215]

約数ペア:

[(1, 80512215), (3, 26837405), (5, 16102443), (7, 11501745), (15, 5367481), (19, 4237485), (21, 3833915), (35, 2300349), (57, 1412495), (95, 847497), (105, 766783), (133, 605355), (285, 282499), (399, 201785), (665, 121071), (1995, 40357)]