61915965

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2441}}^1$

素因数の和:2557

約数の個数: 32

約数和(自身を含む): 105494400

約数和(自身を除く): 43578435

約数列:

[1, 3, 5, 15, 19, 57, 89, 95, 267, 285, 445, 1335, 1691, 2441, 5073, 7323, 8455, 12205, 25365, 36615, 46379, 139137, 217249, 231895, 651747, 695685, 1086245, 3258735, 4127731, 12383193, 20638655, 61915965]

約数ペア:

[(1, 61915965), (3, 20638655), (5, 12383193), (15, 4127731), (19, 3258735), (57, 1086245), (89, 695685), (95, 651747), (267, 231895), (285, 217249), (445, 139137), (1335, 46379), (1691, 36615), (2441, 25365), (5073, 12205), (7323, 8455)]