25561557

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{823}}^1$

素因数の和:882

約数の個数: 48

約数和(自身を含む): 46275840

約数和(自身を除く): 20714283

約数列:

[1, 3, 7, 9, 17, 21, 29, 51, 63, 87, 119, 153, 203, 261, 357, 493, 609, 823, 1071, 1479, 1827, 2469, 3451, 4437, 5761, 7407, 10353, 13991, 17283, 23867, 31059, 41973, 51849, 71601, 97937, 125919, 167069, 214803, 293811, 405739, 501207, 881433, 1217217, 1503621, 2840173, 3651651, 8520519, 25561557]

約数ペア:

[(1, 25561557), (3, 8520519), (7, 3651651), (9, 2840173), (17, 1503621), (21, 1217217), (29, 881433), (51, 501207), (63, 405739), (87, 293811), (119, 214803), (153, 167069), (203, 125919), (261, 97937), (357, 71601), (493, 51849), (609, 41973), (823, 31059), (1071, 23867), (1479, 17283), (1827, 13991), (2469, 10353), (3451, 7407), (4437, 5761)]