28907145

素因数分解:

$3^3\times 5^1\times {\mathrm{233}}^1\times {\mathrm{919}}^1$

素因数の和:1166

約数の個数: 32

約数和(自身を含む): 51667200

約数和(自身を除く): 22760055

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 233, 699, 919, 1165, 2097, 2757, 3495, 4595, 6291, 8271, 10485, 13785, 24813, 31455, 41355, 124065, 214127, 642381, 1070635, 1927143, 3211905, 5781429, 9635715, 28907145]

約数ペア:

[(1, 28907145), (3, 9635715), (5, 5781429), (9, 3211905), (15, 1927143), (27, 1070635), (45, 642381), (135, 214127), (233, 124065), (699, 41355), (919, 31455), (1165, 24813), (2097, 13785), (2757, 10485), (3495, 8271), (4595, 6291)]