31123729

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{383}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 41287680

約数和(自身を除く): 10163951

約数列:

[1, 7, 13, 19, 47, 91, 133, 247, 329, 383, 611, 893, 1729, 2681, 4277, 4979, 6251, 7277, 11609, 18001, 34853, 50939, 81263, 94601, 126007, 234013, 342019, 662207, 1638091, 2394133, 4446247, 31123729]

約数ペア:

[(1, 31123729), (7, 4446247), (13, 2394133), (19, 1638091), (47, 662207), (91, 342019), (133, 234013), (247, 126007), (329, 94601), (383, 81263), (611, 50939), (893, 34853), (1729, 18001), (2681, 11609), (4277, 7277), (4979, 6251)]