2011992381

素因数分解:

$3^2\times 7^4\times {\mathrm{17}}^1\times {\mathrm{5477}}^1$

素因数の和:5528

約数の個数: 60

約数和(自身を含む): 3590467452

約数和(自身を除く): 1578475071

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 119, 147, 153, 343, 357, 441, 833, 1029, 1071, 2401, 2499, 3087, 5477, 5831, 7203, 7497, 16431, 17493, 21609, 38339, 40817, 49293, 52479, 93109, 115017, 122451, 268373, 279327, 345051, 367353, 651763, 805119, 837981, 1878611, 1955289, 2415357, 4562341, 5635833, 5865867, 13150277, 13687023, 16907499, 31936387, 39450831, 41061069, 95809161, 118352493, 223554709, 287427483, 670664127, 2011992381]

約数ペア:

[(1, 2011992381), (3, 670664127), (7, 287427483), (9, 223554709), (17, 118352493), (21, 95809161), (49, 41061069), (51, 39450831), (63, 31936387), (119, 16907499), (147, 13687023), (153, 13150277), (343, 5865867), (357, 5635833), (441, 4562341), (833, 2415357), (1029, 1955289), (1071, 1878611), (2401, 837981), (2499, 805119), (3087, 651763), (5477, 367353), (5831, 345051), (7203, 279327), (7497, 268373), (16431, 122451), (17493, 115017), (21609, 93109), (38339, 52479), (40817, 49293)]