397938135

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{439}}^1$

素因数の和:640

約数の個数: 64

約数和(自身を含む): 745113600

約数和(自身を除く): 347175465

約数列:

[1, 3, 5, 7, 15, 21, 35, 89, 97, 105, 267, 291, 439, 445, 485, 623, 679, 1317, 1335, 1455, 1869, 2037, 2195, 3073, 3115, 3395, 6585, 8633, 9219, 9345, 10185, 15365, 25899, 39071, 42583, 43165, 46095, 60431, 117213, 127749, 129495, 181293, 195355, 212915, 273497, 298081, 302155, 586065, 638745, 820491, 894243, 906465, 1367485, 1490405, 3789887, 4102455, 4471215, 11369661, 18949435, 26529209, 56848305, 79587627, 132646045, 397938135]

約数ペア:

[(1, 397938135), (3, 132646045), (5, 79587627), (7, 56848305), (15, 26529209), (21, 18949435), (35, 11369661), (89, 4471215), (97, 4102455), (105, 3789887), (267, 1490405), (291, 1367485), (439, 906465), (445, 894243), (485, 820491), (623, 638745), (679, 586065), (1317, 302155), (1335, 298081), (1455, 273497), (1869, 212915), (2037, 195355), (2195, 181293), (3073, 129495), (3115, 127749), (3395, 117213), (6585, 60431), (8633, 46095), (9219, 43165), (9345, 42583), (10185, 39071), (15365, 25899)]