12139575

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1217}}^1$

素因数の和:1256

約数の個数: 48

約数和(自身を含む): 24165120

約数和(自身を除く): 12025545

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 133, 175, 285, 399, 475, 525, 665, 1217, 1425, 1995, 3325, 3651, 6085, 8519, 9975, 18255, 23123, 25557, 30425, 42595, 69369, 91275, 115615, 127785, 161861, 212975, 346845, 485583, 578075, 638925, 809305, 1734225, 2427915, 4046525, 12139575]

約数ペア:

[(1, 12139575), (3, 4046525), (5, 2427915), (7, 1734225), (15, 809305), (19, 638925), (21, 578075), (25, 485583), (35, 346845), (57, 212975), (75, 161861), (95, 127785), (105, 115615), (133, 91275), (175, 69369), (285, 42595), (399, 30425), (475, 25557), (525, 23123), (665, 18255), (1217, 9975), (1425, 8519), (1995, 6085), (3325, 3651)]