1688895885

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{18287}}^1$

素因数の和:18473

約数の個数: 32

約数和(自身を含む): 2780946432

約数和(自身を除く): 1092050547

約数列:

[1, 3, 5, 15, 47, 131, 141, 235, 393, 655, 705, 1965, 6157, 18287, 18471, 30785, 54861, 91435, 92355, 274305, 859489, 2395597, 2578467, 4297445, 7186791, 11977985, 12892335, 35933955, 112593059, 337779177, 562965295, 1688895885]

約数ペア:

[(1, 1688895885), (3, 562965295), (5, 337779177), (15, 112593059), (47, 35933955), (131, 12892335), (141, 11977985), (235, 7186791), (393, 4297445), (655, 2578467), (705, 2395597), (1965, 859489), (6157, 274305), (18287, 92355), (18471, 91435), (30785, 54861)]