31071087

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{487}}^1$

素因数の和:652

約数の個数: 32

約数和(自身を含む): 49190400

約数和(自身を除く): 18119313

約数列:

[1, 3, 9, 17, 27, 51, 139, 153, 417, 459, 487, 1251, 1461, 2363, 3753, 4383, 7089, 8279, 13149, 21267, 24837, 63801, 67693, 74511, 203079, 223533, 609237, 1150781, 1827711, 3452343, 10357029, 31071087]

約数ペア:

[(1, 31071087), (3, 10357029), (9, 3452343), (17, 1827711), (27, 1150781), (51, 609237), (139, 223533), (153, 203079), (417, 74511), (459, 67693), (487, 63801), (1251, 24837), (1461, 21267), (2363, 13149), (3753, 8279), (4383, 7089)]