1520921475

素因数分解:

$3^3\times 5^2\times {\mathrm{683}}^1\times {\mathrm{3299}}^1$

素因数の和:4001

約数の個数: 48

約数和(自身を含む): 2798928000

約数和(自身を除く): 1278006525

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 683, 2049, 3299, 3415, 6147, 9897, 10245, 16495, 17075, 18441, 29691, 30735, 49485, 51225, 82475, 89073, 92205, 148455, 153675, 247425, 445365, 461025, 742275, 2226825, 2253217, 6759651, 11266085, 20278953, 33798255, 56330425, 60836859, 101394765, 168991275, 304184295, 506973825, 1520921475]

約数ペア:

[(1, 1520921475), (3, 506973825), (5, 304184295), (9, 168991275), (15, 101394765), (25, 60836859), (27, 56330425), (45, 33798255), (75, 20278953), (135, 11266085), (225, 6759651), (675, 2253217), (683, 2226825), (2049, 742275), (3299, 461025), (3415, 445365), (6147, 247425), (9897, 153675), (10245, 148455), (16495, 92205), (17075, 89073), (18441, 82475), (29691, 51225), (30735, 49485)]