31494897

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{4201}}^1$

素因数の和:4238

約数の個数: 36

約数和(自身を含む): 56046276

約数和(自身を除く): 24551379

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 119, 147, 153, 357, 441, 833, 1071, 2499, 4201, 7497, 12603, 29407, 37809, 71417, 88221, 205849, 214251, 264663, 499919, 617547, 642753, 1499757, 1852641, 3499433, 4499271, 10498299, 31494897]

約数ペア:

[(1, 31494897), (3, 10498299), (7, 4499271), (9, 3499433), (17, 1852641), (21, 1499757), (49, 642753), (51, 617547), (63, 499919), (119, 264663), (147, 214251), (153, 205849), (357, 88221), (441, 71417), (833, 37809), (1071, 29407), (2499, 12603), (4201, 7497)]