3121215

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:223

約数の個数: 32

約数和(自身を含む): 5322240

約数和(自身を除く): 2201025

約数列:

[1, 3, 5, 15, 23, 69, 83, 109, 115, 249, 327, 345, 415, 545, 1245, 1635, 1909, 2507, 5727, 7521, 9047, 9545, 12535, 27141, 28635, 37605, 45235, 135705, 208081, 624243, 1040405, 3121215]

約数ペア:

[(1, 3121215), (3, 1040405), (5, 624243), (15, 208081), (23, 135705), (69, 45235), (83, 37605), (109, 28635), (115, 27141), (249, 12535), (327, 9545), (345, 9047), (415, 7521), (545, 5727), (1245, 2507), (1635, 1909)]