80975925

素因数分解:

$3^2\times 5^2\times {\mathrm{487}}^1\times {\mathrm{739}}^1$

素因数の和:1242

約数の個数: 36

約数和(自身を含む): 145531360

約数和(自身を除く): 64555435

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 487, 739, 1461, 2217, 2435, 3695, 4383, 6651, 7305, 11085, 12175, 18475, 21915, 33255, 36525, 55425, 109575, 166275, 359893, 1079679, 1799465, 3239037, 5398395, 8997325, 16195185, 26991975, 80975925]

約数ペア:

[(1, 80975925), (3, 26991975), (5, 16195185), (9, 8997325), (15, 5398395), (25, 3239037), (45, 1799465), (75, 1079679), (225, 359893), (487, 166275), (739, 109575), (1461, 55425), (2217, 36525), (2435, 33255), (3695, 21915), (4383, 18475), (6651, 12175), (7305, 11085)]