351981435

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{25423}}^1$

素因数の和:25515

約数の個数: 32

約数和(自身を含む): 615057408

約数和(自身を除く): 263075973

約数列:

[1, 3, 5, 13, 15, 39, 65, 71, 195, 213, 355, 923, 1065, 2769, 4615, 13845, 25423, 76269, 127115, 330499, 381345, 991497, 1652495, 1805033, 4957485, 5415099, 9025165, 23465429, 27075495, 70396287, 117327145, 351981435]

約数ペア:

[(1, 351981435), (3, 117327145), (5, 70396287), (13, 27075495), (15, 23465429), (39, 9025165), (65, 5415099), (71, 4957485), (195, 1805033), (213, 1652495), (355, 991497), (923, 381345), (1065, 330499), (2769, 127115), (4615, 76269), (13845, 25423)]