30820665

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{839}}^1$

素因数の和:957

約数の個数: 32

約数和(自身を含む): 51609600

約数和(自身を除く): 20788935

約数列:

[1, 3, 5, 15, 31, 79, 93, 155, 237, 395, 465, 839, 1185, 2449, 2517, 4195, 7347, 12245, 12585, 26009, 36735, 66281, 78027, 130045, 198843, 331405, 390135, 994215, 2054711, 6164133, 10273555, 30820665]

約数ペア:

[(1, 30820665), (3, 10273555), (5, 6164133), (15, 2054711), (31, 994215), (79, 390135), (93, 331405), (155, 198843), (237, 130045), (395, 78027), (465, 66281), (839, 36735), (1185, 26009), (2449, 12585), (2517, 12245), (4195, 7347)]