212563455

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{7219}}^1$

素因数の和:7391

約数の個数: 32

約数和(自身を含む): 368739840

約数和(自身を除く): 156176385

約数列:

[1, 3, 5, 13, 15, 39, 65, 151, 195, 453, 755, 1963, 2265, 5889, 7219, 9815, 21657, 29445, 36095, 93847, 108285, 281541, 469235, 1090069, 1407705, 3270207, 5450345, 14170897, 16351035, 42512691, 70854485, 212563455]

約数ペア:

[(1, 212563455), (3, 70854485), (5, 42512691), (13, 16351035), (15, 14170897), (39, 5450345), (65, 3270207), (151, 1407705), (195, 1090069), (453, 469235), (755, 281541), (1963, 108285), (2265, 93847), (5889, 36095), (7219, 29445), (9815, 21657)]