210818565

素因数分解:

$3^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{7927}}^1$

素因数の和:8138

約数の個数: 32

約数和(自身を含む): 376738560

約数和(自身を除く): 165919995

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 197, 591, 985, 1773, 2955, 5319, 7927, 8865, 23781, 26595, 39635, 71343, 118905, 214029, 356715, 1070145, 1561619, 4684857, 7808095, 14054571, 23424285, 42163713, 70272855, 210818565]

約数ペア:

[(1, 210818565), (3, 70272855), (5, 42163713), (9, 23424285), (15, 14054571), (27, 7808095), (45, 4684857), (135, 1561619), (197, 1070145), (591, 356715), (985, 214029), (1773, 118905), (2955, 71343), (5319, 39635), (7927, 26595), (8865, 23781)]