31318833

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1289}}^1$

素因数の和:1401

約数の個数: 32

約数和(自身を含む): 52012800

約数和(自身を除く): 20693967

約数列:

[1, 3, 7, 13, 21, 39, 89, 91, 267, 273, 623, 1157, 1289, 1869, 3471, 3867, 8099, 9023, 16757, 24297, 27069, 50271, 114721, 117299, 344163, 351897, 803047, 1491373, 2409141, 4474119, 10439611, 31318833]

約数ペア:

[(1, 31318833), (3, 10439611), (7, 4474119), (13, 2409141), (21, 1491373), (39, 803047), (89, 351897), (91, 344163), (267, 117299), (273, 114721), (623, 50271), (1157, 27069), (1289, 24297), (1869, 16757), (3471, 9023), (3867, 8099)]