397389915

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{226433}}^1$

素因数の和:226460

約数の個数: 32

約数和(自身を含む): 760818240

約数和(自身を除く): 363428325

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 226433, 679299, 1132165, 2037897, 2943629, 3396495, 6113691, 8830887, 10189485, 14718145, 26492661, 30568455, 44154435, 79477983, 132463305, 397389915]

約数ペア:

[(1, 397389915), (3, 132463305), (5, 79477983), (9, 44154435), (13, 30568455), (15, 26492661), (27, 14718145), (39, 10189485), (45, 8830887), (65, 6113691), (117, 3396495), (135, 2943629), (195, 2037897), (351, 1132165), (585, 679299), (1755, 226433)]