31528251

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{461}}^1$

素因数の和:636

約数の個数: 32

約数和(自身を含む): 49896000

約数和(自身を除く): 18367749

約数列:

[1, 3, 9, 17, 27, 51, 149, 153, 447, 459, 461, 1341, 1383, 2533, 4023, 4149, 7599, 7837, 12447, 22797, 23511, 68391, 68689, 70533, 206067, 211599, 618201, 1167713, 1854603, 3503139, 10509417, 31528251]

約数ペア:

[(1, 31528251), (3, 10509417), (9, 3503139), (17, 1854603), (27, 1167713), (51, 618201), (149, 211599), (153, 206067), (447, 70533), (459, 68689), (461, 68391), (1341, 23511), (1383, 22797), (2533, 12447), (4023, 7837), (4149, 7599)]