7986783

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{541}}^1$

素因数の和:607

約数の個数: 32

約数和(自身を含む): 13181440

約数和(自身を除く): 5194657

約数列:

[1, 3, 7, 19, 21, 37, 57, 111, 133, 259, 399, 541, 703, 777, 1623, 2109, 3787, 4921, 10279, 11361, 14763, 20017, 30837, 60051, 71953, 140119, 215859, 380323, 420357, 1140969, 2662261, 7986783]

約数ペア:

[(1, 7986783), (3, 2662261), (7, 1140969), (19, 420357), (21, 380323), (37, 215859), (57, 140119), (111, 71953), (133, 60051), (259, 30837), (399, 20017), (541, 14763), (703, 11361), (777, 10279), (1623, 4921), (2109, 3787)]