405242025

素因数分解:

$3^1\times 5^2\times {\mathrm{2029}}^1\times {\mathrm{2663}}^1$

素因数の和:4705

約数の個数: 24

約数和(自身を含む): 670582080

約数和(自身を除く): 265340055

約数列:

[1, 3, 5, 15, 25, 75, 2029, 2663, 6087, 7989, 10145, 13315, 30435, 39945, 50725, 66575, 152175, 199725, 5403227, 16209681, 27016135, 81048405, 135080675, 405242025]

約数ペア:

[(1, 405242025), (3, 135080675), (5, 81048405), (15, 27016135), (25, 16209681), (75, 5403227), (2029, 199725), (2663, 152175), (6087, 66575), (7989, 50725), (10145, 39945), (13315, 30435)]