28979565

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{18757}}^1$

素因数の和:18868

約数の個数: 16

約数和(自身を含む): 46819968

約数和(自身を除く): 17840403

約数列:

[1, 3, 5, 15, 103, 309, 515, 1545, 18757, 56271, 93785, 281355, 1931971, 5795913, 9659855, 28979565]

約数ペア:

[(1, 28979565), (3, 9659855), (5, 5795913), (15, 1931971), (103, 281355), (309, 93785), (515, 56271), (1545, 18757)]