31641309

素因数分解:

$3^2\times 7^2\times {\mathrm{157}}^1\times {\mathrm{457}}^1$

素因数の和:634

約数の個数: 36

約数和(自身を含む): 53621724

約数和(自身を除く): 21980415

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 157, 441, 457, 471, 1099, 1371, 1413, 3199, 3297, 4113, 7693, 9597, 9891, 22393, 23079, 28791, 67179, 69237, 71749, 201537, 215247, 502243, 645741, 1506729, 3515701, 4520187, 10547103, 31641309]

約数ペア:

[(1, 31641309), (3, 10547103), (7, 4520187), (9, 3515701), (21, 1506729), (49, 645741), (63, 502243), (147, 215247), (157, 201537), (441, 71749), (457, 69237), (471, 67179), (1099, 28791), (1371, 23079), (1413, 22393), (3199, 9891), (3297, 9597), (4113, 7693)]