71313639

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 103749120

約数和(自身を除く): 32435481

約数列:

[1, 3, 23, 29, 69, 87, 157, 227, 471, 667, 681, 2001, 3611, 4553, 5221, 6583, 10833, 13659, 15663, 19749, 35639, 104719, 106917, 151409, 314157, 454227, 819697, 1033531, 2459091, 3100593, 23771213, 71313639]

約数ペア:

[(1, 71313639), (3, 23771213), (23, 3100593), (29, 2459091), (69, 1033531), (87, 819697), (157, 454227), (227, 314157), (471, 151409), (667, 106917), (681, 104719), (2001, 35639), (3611, 19749), (4553, 15663), (5221, 13659), (6583, 10833)]