201531785

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{11971}}^1$

素因数の和:12033

約数の個数: 32

約数和(自身を含む): 305716992

約数和(自身を除く): 104185207

約数列:

[1, 5, 7, 13, 35, 37, 65, 91, 185, 259, 455, 481, 1295, 2405, 3367, 11971, 16835, 59855, 83797, 155623, 418985, 442927, 778115, 1089361, 2214635, 3100489, 5446805, 5758051, 15502445, 28790255, 40306357, 201531785]

約数ペア:

[(1, 201531785), (5, 40306357), (7, 28790255), (13, 15502445), (35, 5758051), (37, 5446805), (65, 3100489), (91, 2214635), (185, 1089361), (259, 778115), (455, 442927), (481, 418985), (1295, 155623), (2405, 83797), (3367, 59855), (11971, 16835)]