71920287

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{2213}}^1$

素因数の和:2399

約数の個数: 24

約数和(自身を含む): 109141344

約数和(自身を除く): 37221057

約数列:

[1, 3, 9, 23, 69, 157, 207, 471, 1413, 2213, 3611, 6639, 10833, 19917, 32499, 50899, 152697, 347441, 458091, 1042323, 3126969, 7991143, 23973429, 71920287]

約数ペア:

[(1, 71920287), (3, 23973429), (9, 7991143), (23, 3126969), (69, 1042323), (157, 458091), (207, 347441), (471, 152697), (1413, 50899), (2213, 32499), (3611, 19917), (6639, 10833)]