2157248145

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{613}}^1\times {\mathrm{18047}}^1$

素因数の和:18681

約数の個数: 32

約数和(自身を含む): 3723374592

約数和(自身を除く): 1566126447

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 613, 1839, 3065, 7969, 9195, 18047, 23907, 39845, 54141, 90235, 119535, 234611, 270705, 703833, 1173055, 3519165, 11062811, 33188433, 55314055, 143816543, 165942165, 431449629, 719082715, 2157248145]

約数ペア:

[(1, 2157248145), (3, 719082715), (5, 431449629), (13, 165942165), (15, 143816543), (39, 55314055), (65, 33188433), (195, 11062811), (613, 3519165), (1839, 1173055), (3065, 703833), (7969, 270705), (9195, 234611), (18047, 119535), (23907, 90235), (39845, 54141)]