13445971

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:223

約数の個数: 32

約数和(自身を含む): 17842176

約数和(自身を除く): 4396205

約数列:

[1, 7, 11, 31, 43, 77, 131, 217, 301, 341, 473, 917, 1333, 1441, 2387, 3311, 4061, 5633, 9331, 10087, 14663, 28427, 39431, 44671, 61963, 102641, 174623, 312697, 433741, 1222361, 1920853, 13445971]

約数ペア:

[(1, 13445971), (7, 1920853), (11, 1222361), (31, 433741), (43, 312697), (77, 174623), (131, 102641), (217, 61963), (301, 44671), (341, 39431), (473, 28427), (917, 14663), (1333, 10087), (1441, 9331), (2387, 5633), (3311, 4061)]