27890265

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{911}}^1$

素因数の和:1089

約数の個数: 32

約数和(自身を含む): 48416256

約数和(自身を除く): 20525991

約数列:

[1, 3, 5, 13, 15, 39, 65, 157, 195, 471, 785, 911, 2041, 2355, 2733, 4555, 6123, 10205, 11843, 13665, 30615, 35529, 59215, 143027, 177645, 429081, 715135, 1859351, 2145405, 5578053, 9296755, 27890265]

約数ペア:

[(1, 27890265), (3, 9296755), (5, 5578053), (13, 2145405), (15, 1859351), (39, 715135), (65, 429081), (157, 177645), (195, 143027), (471, 59215), (785, 35529), (911, 30615), (2041, 13665), (2355, 11843), (2733, 10205), (4555, 6123)]