19971225

素因数分解:

$3^3\times 5^2\times {\mathrm{29587}}^1$

素因数の和:29606

約数の個数: 24

約数和(自身を含む): 36689120

約数和(自身を除く): 16717895

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 29587, 88761, 147935, 266283, 443805, 739675, 798849, 1331415, 2219025, 3994245, 6657075, 19971225]

約数ペア:

[(1, 19971225), (3, 6657075), (5, 3994245), (9, 2219025), (15, 1331415), (25, 798849), (27, 739675), (45, 443805), (75, 266283), (135, 147935), (225, 88761), (675, 29587)]