8220225

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{8431}}^1$

素因数の和:8457

約数の個数: 24

約数和(自身を含む): 14637952

約数和(自身を除く): 6417727

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 8431, 25293, 42155, 109603, 126465, 210775, 328809, 548015, 632325, 1644045, 2740075, 8220225]

約数ペア:

[(1, 8220225), (3, 2740075), (5, 1644045), (13, 632325), (15, 548015), (25, 328809), (39, 210775), (65, 126465), (75, 109603), (195, 42155), (325, 25293), (975, 8431)]