6813989

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{563}}^1$

素因数の和:609

約数の個数: 24

約数和(自身を含む): 9001440

約数和(自身を除く): 2187451

約数列:

[1, 7, 13, 19, 49, 91, 133, 247, 563, 637, 931, 1729, 3941, 7319, 10697, 12103, 27587, 51233, 74879, 139061, 358631, 524153, 973427, 6813989]

約数ペア:

[(1, 6813989), (7, 973427), (13, 524153), (19, 358631), (49, 139061), (91, 74879), (133, 51233), (247, 27587), (563, 12103), (637, 10697), (931, 7319), (1729, 3941)]