213873135

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{55051}}^1$

素因数の和:55103

約数の個数: 32

約数和(自身を含む): 401659392

約数和(自身を除く): 187786257

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 105, 111, 185, 259, 555, 777, 1295, 3885, 55051, 165153, 275255, 385357, 825765, 1156071, 1926785, 2036887, 5780355, 6110661, 10184435, 14258209, 30553305, 42774627, 71291045, 213873135]

約数ペア:

[(1, 213873135), (3, 71291045), (5, 42774627), (7, 30553305), (15, 14258209), (21, 10184435), (35, 6110661), (37, 5780355), (105, 2036887), (111, 1926785), (185, 1156071), (259, 825765), (555, 385357), (777, 275255), (1295, 165153), (3885, 55051)]