28443519

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 46781280

約数和(自身を除く): 18337761

約数列:

[1, 3, 9, 13, 29, 39, 83, 87, 101, 117, 249, 261, 303, 377, 747, 909, 1079, 1131, 1313, 2407, 2929, 3237, 3393, 3939, 7221, 8383, 8787, 9711, 11817, 21663, 25149, 26361, 31291, 38077, 75447, 93873, 108979, 114231, 243107, 281619, 326937, 342693, 729321, 980811, 2187963, 3160391, 9481173, 28443519]

約数ペア:

[(1, 28443519), (3, 9481173), (9, 3160391), (13, 2187963), (29, 980811), (39, 729321), (83, 342693), (87, 326937), (101, 281619), (117, 243107), (249, 114231), (261, 108979), (303, 93873), (377, 75447), (747, 38077), (909, 31291), (1079, 26361), (1131, 25149), (1313, 21663), (2407, 11817), (2929, 9711), (3237, 8787), (3393, 8383), (3939, 7221)]