287780949

素因数分解:

$3^2\times {\mathrm{29}}^2\times {\mathrm{193}}^1\times {\mathrm{197}}^1$

素因数の和:454

約数の個数: 36

約数和(自身を含む): 434939076

約数和(自身を除く): 147158127

約数列:

[1, 3, 9, 29, 87, 193, 197, 261, 579, 591, 841, 1737, 1773, 2523, 5597, 5713, 7569, 16791, 17139, 38021, 50373, 51417, 114063, 162313, 165677, 342189, 486939, 497031, 1102609, 1460817, 1491093, 3307827, 9923481, 31975661, 95926983, 287780949]

約数ペア:

[(1, 287780949), (3, 95926983), (9, 31975661), (29, 9923481), (87, 3307827), (193, 1491093), (197, 1460817), (261, 1102609), (579, 497031), (591, 486939), (841, 342189), (1737, 165677), (1773, 162313), (2523, 114063), (5597, 51417), (5713, 50373), (7569, 38021), (16791, 17139)]