28305502515

素因数分解:

$3^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{528137}}^1$

素因数の和:528548

約数の個数: 32

約数和(自身を含む): 50447741760

約数和(自身を除く): 22142239245

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 397, 1191, 1985, 3573, 5955, 10719, 17865, 53595, 528137, 1584411, 2640685, 4753233, 7922055, 14259699, 23766165, 71298495, 209670389, 629011167, 1048351945, 1887033501, 3145055835, 5661100503, 9435167505, 28305502515]

約数ペア:

[(1, 28305502515), (3, 9435167505), (5, 5661100503), (9, 3145055835), (15, 1887033501), (27, 1048351945), (45, 629011167), (135, 209670389), (397, 71298495), (1191, 23766165), (1985, 14259699), (3573, 7922055), (5955, 4753233), (10719, 2640685), (17865, 1584411), (53595, 528137)]