420072165

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{301127}}^1$

素因数の和:301169

約数の個数: 24

約数和(自身を含む): 751615488

約数和(自身を除く): 331543323

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 301127, 903381, 1505635, 2710143, 4516905, 9334937, 13550715, 28004811, 46674685, 84014433, 140024055, 420072165]

約数ペア:

[(1, 420072165), (3, 140024055), (5, 84014433), (9, 46674685), (15, 28004811), (31, 13550715), (45, 9334937), (93, 4516905), (155, 2710143), (279, 1505635), (465, 903381), (1395, 301127)]