220575

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{173}}^1$

素因数の和:203

約数の個数: 24

約数和(自身を含む): 388368

約数和(自身を除く): 167793

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 173, 255, 425, 519, 865, 1275, 2595, 2941, 4325, 8823, 12975, 14705, 44115, 73525, 220575]

約数ペア:

[(1, 220575), (3, 73525), (5, 44115), (15, 14705), (17, 12975), (25, 8823), (51, 4325), (75, 2941), (85, 2595), (173, 1275), (255, 865), (425, 519)]