31304415

素因数分解:

$3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 51321600

約数和(自身を除く): 20017185

約数列:

[1, 3, 5, 15, 89, 131, 179, 267, 393, 445, 537, 655, 895, 1335, 1965, 2685, 11659, 15931, 23449, 34977, 47793, 58295, 70347, 79655, 117245, 174885, 238965, 351735, 2086961, 6260883, 10434805, 31304415]

約数ペア:

[(1, 31304415), (3, 10434805), (5, 6260883), (15, 2086961), (89, 351735), (131, 238965), (179, 174885), (267, 117245), (393, 79655), (445, 70347), (537, 58295), (655, 47793), (895, 34977), (1335, 23449), (1965, 15931), (2685, 11659)]