213425275

素因数分解:

$5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{19993}}^1$

素因数の和:20071

約数の個数: 24

約数和(自身を含む): 307427744

約数和(自身を除く): 94002469

約数列:

[1, 5, 7, 25, 35, 61, 175, 305, 427, 1525, 2135, 10675, 19993, 99965, 139951, 499825, 699755, 1219573, 3498775, 6097865, 8537011, 30489325, 42685055, 213425275]

約数ペア:

[(1, 213425275), (5, 42685055), (7, 30489325), (25, 8537011), (35, 6097865), (61, 3498775), (175, 1219573), (305, 699755), (427, 499825), (1525, 139951), (2135, 99965), (10675, 19993)]