28004271

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{521}}^1$

素因数の和:607

約数の個数: 32

約数和(自身を含む): 42094080

約数和(自身を除く): 14089809

約数列:

[1, 3, 19, 23, 41, 57, 69, 123, 437, 521, 779, 943, 1311, 1563, 2337, 2829, 9899, 11983, 17917, 21361, 29697, 35949, 53751, 64083, 227677, 405859, 491303, 683031, 1217577, 1473909, 9334757, 28004271]

約数ペア:

[(1, 28004271), (3, 9334757), (19, 1473909), (23, 1217577), (41, 683031), (57, 491303), (69, 405859), (123, 227677), (437, 64083), (521, 53751), (779, 35949), (943, 29697), (1311, 21361), (1563, 17917), (2337, 11983), (2829, 9899)]