216490989

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{2917}}^1$

素因数の和:3117

約数の個数: 32

約数和(自身を含む): 341195904

約数和(自身を除く): 124704915

約数列:

[1, 3, 11, 13, 33, 39, 143, 173, 429, 519, 1903, 2249, 2917, 5709, 6747, 8751, 24739, 32087, 37921, 74217, 96261, 113763, 417131, 504641, 1251393, 1513923, 5551051, 6560333, 16653153, 19680999, 72163663, 216490989]

約数ペア:

[(1, 216490989), (3, 72163663), (11, 19680999), (13, 16653153), (33, 6560333), (39, 5551051), (143, 1513923), (173, 1251393), (429, 504641), (519, 417131), (1903, 113763), (2249, 96261), (2917, 74217), (5709, 37921), (6747, 32087), (8751, 24739)]