16987185

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4339}}^1$

素因数の和:4382

約数の個数: 32

約数和(自身を含む): 31248000

約数和(自身を除く): 14260815

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 3915, 4339, 13017, 21695, 39051, 65085, 117153, 125831, 195255, 377493, 585765, 629155, 1132479, 1887465, 3397437, 5662395, 16987185]

約数ペア:

[(1, 16987185), (3, 5662395), (5, 3397437), (9, 1887465), (15, 1132479), (27, 629155), (29, 585765), (45, 377493), (87, 195255), (135, 125831), (145, 117153), (261, 65085), (435, 39051), (783, 21695), (1305, 13017), (3915, 4339)]