221465321

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{5437}}^1$

素因数の和:5501

約数の個数: 24

約数和(自身を含む): 288692544

約数和(自身を除く): 67227223

約数列:

[1, 7, 11, 23, 77, 161, 253, 529, 1771, 3703, 5437, 5819, 38059, 40733, 59807, 125051, 418649, 875357, 1375561, 2876173, 9628927, 20133211, 31637903, 221465321]

約数ペア:

[(1, 221465321), (7, 31637903), (11, 20133211), (23, 9628927), (77, 2876173), (161, 1375561), (253, 875357), (529, 418649), (1771, 125051), (3703, 59807), (5437, 40733), (5819, 38059)]