68781015

素因数分解:

$3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{9613}}^1$

素因数の和:9680

約数の個数: 32

約数和(自身を含む): 124597440

約数和(自身を除く): 55816425

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 135, 159, 265, 477, 795, 1431, 2385, 7155, 9613, 28839, 48065, 86517, 144195, 259551, 432585, 509489, 1297755, 1528467, 2547445, 4585401, 7642335, 13756203, 22927005, 68781015]

約数ペア:

[(1, 68781015), (3, 22927005), (5, 13756203), (9, 7642335), (15, 4585401), (27, 2547445), (45, 1528467), (53, 1297755), (135, 509489), (159, 432585), (265, 259551), (477, 144195), (795, 86517), (1431, 48065), (2385, 28839), (7155, 9613)]