2747381

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1$

素因数の和:273

約数の個数: 24

約数和(自身を含む): 3638880

約数和(自身を除く): 891499

約数列:

[1, 7, 13, 19, 49, 91, 133, 227, 247, 637, 931, 1589, 1729, 2951, 4313, 11123, 12103, 20657, 30191, 56069, 144599, 211337, 392483, 2747381]

約数ペア:

[(1, 2747381), (7, 392483), (13, 211337), (19, 144599), (49, 56069), (91, 30191), (133, 20657), (227, 12103), (247, 11123), (637, 4313), (931, 2951), (1589, 1729)]