87916005

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{491}}^1$

素因数の和:698

約数の個数: 48

約数和(自身を含む): 160258176

約数和(自身を除く): 72342171

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 173, 207, 345, 491, 519, 865, 1035, 1473, 1557, 2455, 2595, 3979, 4419, 7365, 7785, 11293, 11937, 19895, 22095, 33879, 35811, 56465, 59685, 84943, 101637, 169395, 179055, 254829, 424715, 508185, 764487, 1274145, 1953689, 3822435, 5861067, 9768445, 17583201, 29305335, 87916005]

約数ペア:

[(1, 87916005), (3, 29305335), (5, 17583201), (9, 9768445), (15, 5861067), (23, 3822435), (45, 1953689), (69, 1274145), (115, 764487), (173, 508185), (207, 424715), (345, 254829), (491, 179055), (519, 169395), (865, 101637), (1035, 84943), (1473, 59685), (1557, 56465), (2455, 35811), (2595, 33879), (3979, 22095), (4419, 19895), (7365, 11937), (7785, 11293)]