353171325

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{15749}}^1$

素因数の和:15798

約数の個数: 48

約数和(自身を含む): 656208000

約数和(自身を除く): 303036675

約数列:

[1, 3, 5, 13, 15, 23, 25, 39, 65, 69, 75, 115, 195, 299, 325, 345, 575, 897, 975, 1495, 1725, 4485, 7475, 15749, 22425, 47247, 78745, 204737, 236235, 362227, 393725, 614211, 1023685, 1086681, 1181175, 1811135, 3071055, 4708951, 5118425, 5433405, 9055675, 14126853, 15355275, 23544755, 27167025, 70634265, 117723775, 353171325]

約数ペア:

[(1, 353171325), (3, 117723775), (5, 70634265), (13, 27167025), (15, 23544755), (23, 15355275), (25, 14126853), (39, 9055675), (65, 5433405), (69, 5118425), (75, 4708951), (115, 3071055), (195, 1811135), (299, 1181175), (325, 1086681), (345, 1023685), (575, 614211), (897, 393725), (975, 362227), (1495, 236235), (1725, 204737), (4485, 78745), (7475, 47247), (15749, 22425)]