348255

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:191

約数の個数: 24

約数和(自身を含む): 617760

約数和(自身を除く): 269505

約数列:

[1, 3, 5, 9, 15, 45, 71, 109, 213, 327, 355, 545, 639, 981, 1065, 1635, 3195, 4905, 7739, 23217, 38695, 69651, 116085, 348255]

約数ペア:

[(1, 348255), (3, 116085), (5, 69651), (9, 38695), (15, 23217), (45, 7739), (71, 4905), (109, 3195), (213, 1635), (327, 1065), (355, 981), (545, 639)]