51186765

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{1381}}^1$

素因数の和:1749

約数の個数: 32

約数和(自身を含む): 93931776

約数和(自身を除く): 42745011

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 353, 1059, 1381, 1765, 2471, 4143, 5295, 6905, 7413, 9667, 12355, 20715, 29001, 37065, 48335, 145005, 487493, 1462479, 2437465, 3412451, 7312395, 10237353, 17062255, 51186765]

約数ペア:

[(1, 51186765), (3, 17062255), (5, 10237353), (7, 7312395), (15, 3412451), (21, 2437465), (35, 1462479), (105, 487493), (353, 145005), (1059, 48335), (1381, 37065), (1765, 29001), (2471, 20715), (4143, 12355), (5295, 9667), (6905, 7413)]