248836185

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1997}}^1$

素因数の和:2095

約数の個数: 64

約数和(自身を含む): 483356160

約数和(自身を除く): 234519975

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 71, 117, 135, 195, 213, 351, 355, 585, 639, 923, 1065, 1755, 1917, 1997, 2769, 3195, 4615, 5991, 8307, 9585, 9985, 13845, 17973, 24921, 25961, 29955, 41535, 53919, 77883, 89865, 124605, 129805, 141787, 233649, 269595, 389415, 425361, 700947, 708935, 1168245, 1276083, 1843231, 2126805, 3504735, 3828249, 5529693, 6380415, 9216155, 16589079, 19141245, 27648465, 49767237, 82945395, 248836185]

約数ペア:

[(1, 248836185), (3, 82945395), (5, 49767237), (9, 27648465), (13, 19141245), (15, 16589079), (27, 9216155), (39, 6380415), (45, 5529693), (65, 3828249), (71, 3504735), (117, 2126805), (135, 1843231), (195, 1276083), (213, 1168245), (351, 708935), (355, 700947), (585, 425361), (639, 389415), (923, 269595), (1065, 233649), (1755, 141787), (1917, 129805), (1997, 124605), (2769, 89865), (3195, 77883), (4615, 53919), (5991, 41535), (8307, 29955), (9585, 25961), (9985, 24921), (13845, 17973)]