202121415

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{264211}}^1$

素因数の和:264239

約数の個数: 24

約数和(自身を含む): 370953648

約数和(自身を除く): 168832233

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 264211, 792633, 1321055, 2377899, 3963165, 4491587, 11889495, 13474761, 22457935, 40424283, 67373805, 202121415]

約数ペア:

[(1, 202121415), (3, 67373805), (5, 40424283), (9, 22457935), (15, 13474761), (17, 11889495), (45, 4491587), (51, 3963165), (85, 2377899), (153, 1321055), (255, 792633), (765, 264211)]