28420635

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{317}}^1$

素因数の和:507

約数の個数: 32

約数和(自身を含む): 47013120

約数和(自身を除く): 18592485

約数列:

[1, 3, 5, 15, 43, 129, 139, 215, 317, 417, 645, 695, 951, 1585, 2085, 4755, 5977, 13631, 17931, 29885, 40893, 44063, 68155, 89655, 132189, 204465, 220315, 660945, 1894709, 5684127, 9473545, 28420635]

約数ペア:

[(1, 28420635), (3, 9473545), (5, 5684127), (15, 1894709), (43, 660945), (129, 220315), (139, 204465), (215, 132189), (317, 89655), (417, 68155), (645, 44063), (695, 40893), (951, 29885), (1585, 17931), (2085, 13631), (4755, 5977)]