2021522805

素因数分解:

$3^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{145381}}^1$

素因数の和:145498

約数の個数: 32

約数和(自身を含む): 3628734720

約数和(自身を除く): 1607211915

約数列:

[1, 3, 5, 9, 15, 27, 45, 103, 135, 309, 515, 927, 1545, 2781, 4635, 13905, 145381, 436143, 726905, 1308429, 2180715, 3925287, 6542145, 14974243, 19626435, 44922729, 74871215, 134768187, 224613645, 404304561, 673840935, 2021522805]

約数ペア:

[(1, 2021522805), (3, 673840935), (5, 404304561), (9, 224613645), (15, 134768187), (27, 74871215), (45, 44922729), (103, 19626435), (135, 14974243), (309, 6542145), (515, 3925287), (927, 2180715), (1545, 1308429), (2781, 726905), (4635, 436143), (13905, 145381)]