2172975

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{4139}}^1$

素因数の和:4159

約数の個数: 24

約数和(自身を含む): 4106880

約数和(自身を除く): 1933905

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 4139, 12417, 20695, 28973, 62085, 86919, 103475, 144865, 310425, 434595, 724325, 2172975]

約数ペア:

[(1, 2172975), (3, 724325), (5, 434595), (7, 310425), (15, 144865), (21, 103475), (25, 86919), (35, 62085), (75, 28973), (105, 20695), (175, 12417), (525, 4139)]