28291845

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{257}}^1$

素因数の和:485

約数の個数: 32

約数和(自身を含む): 46811520

約数和(自身を除く): 18519675

約数列:

[1, 3, 5, 15, 41, 123, 179, 205, 257, 537, 615, 771, 895, 1285, 2685, 3855, 7339, 10537, 22017, 31611, 36695, 46003, 52685, 110085, 138009, 158055, 230015, 690045, 1886123, 5658369, 9430615, 28291845]

約数ペア:

[(1, 28291845), (3, 9430615), (5, 5658369), (15, 1886123), (41, 690045), (123, 230015), (179, 158055), (205, 138009), (257, 110085), (537, 52685), (615, 46003), (771, 36695), (895, 31611), (1285, 22017), (2685, 10537), (3855, 7339)]