31812879

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{283}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 50056704

約数和(自身を除く): 18243825

約数列:

[1, 3, 7, 21, 53, 101, 159, 283, 303, 371, 707, 849, 1113, 1981, 2121, 5353, 5943, 14999, 16059, 28583, 37471, 44997, 85749, 104993, 112413, 200081, 314979, 600243, 1514899, 4544697, 10604293, 31812879]

約数ペア:

[(1, 31812879), (3, 10604293), (7, 4544697), (21, 1514899), (53, 600243), (101, 314979), (159, 200081), (283, 112413), (303, 104993), (371, 85749), (707, 44997), (849, 37471), (1113, 28583), (1981, 16059), (2121, 14999), (5353, 5943)]