7987305

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 13409280

約数和(自身を除く): 5421975

約数列:

[1, 3, 5, 15, 31, 89, 93, 155, 193, 267, 445, 465, 579, 965, 1335, 2759, 2895, 5983, 8277, 13795, 17177, 17949, 29915, 41385, 51531, 85885, 89745, 257655, 532487, 1597461, 2662435, 7987305]

約数ペア:

[(1, 7987305), (3, 2662435), (5, 1597461), (15, 532487), (31, 257655), (89, 89745), (93, 85885), (155, 51531), (193, 41385), (267, 29915), (445, 17949), (465, 17177), (579, 13795), (965, 8277), (1335, 5983), (2759, 2895)]