28764255

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8677}}^1$

素因数の和:8715

約数の個数: 32

約数和(自身を含む): 52484544

約数和(自身を除く): 23720289

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 8677, 26031, 43385, 112801, 130155, 147509, 338403, 442527, 564005, 737545, 1692015, 1917617, 2212635, 5752851, 9588085, 28764255]

約数ペア:

[(1, 28764255), (3, 9588085), (5, 5752851), (13, 2212635), (15, 1917617), (17, 1692015), (39, 737545), (51, 564005), (65, 442527), (85, 338403), (195, 147509), (221, 130155), (255, 112801), (663, 43385), (1105, 26031), (3315, 8677)]