291211089

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{233}}^1\times {\mathrm{439}}^1$

素因数の和:761

約数の個数: 32

約数和(自身を含む): 426666240

約数和(自身を除く): 135455151

約数列:

[1, 3, 13, 39, 73, 219, 233, 439, 699, 949, 1317, 2847, 3029, 5707, 9087, 17009, 17121, 32047, 51027, 96141, 102287, 221117, 306861, 416611, 663351, 1249833, 1329731, 3989193, 7466951, 22400853, 97070363, 291211089]

約数ペア:

[(1, 291211089), (3, 97070363), (13, 22400853), (39, 7466951), (73, 3989193), (219, 1329731), (233, 1249833), (439, 663351), (699, 416611), (949, 306861), (1317, 221117), (2847, 102287), (3029, 96141), (5707, 51027), (9087, 32047), (17009, 17121)]