51142185

素因数分解:

$3^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{641}}^1$

素因数の和:855

約数の個数: 40

約数和(自身を含む): 92286216

約数和(自身を除く): 41144031

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 197, 405, 591, 641, 985, 1773, 1923, 2955, 3205, 5319, 5769, 8865, 9615, 15957, 17307, 26595, 28845, 51921, 79785, 86535, 126277, 259605, 378831, 631385, 1136493, 1894155, 3409479, 5682465, 10228437, 17047395, 51142185]

約数ペア:

[(1, 51142185), (3, 17047395), (5, 10228437), (9, 5682465), (15, 3409479), (27, 1894155), (45, 1136493), (81, 631385), (135, 378831), (197, 259605), (405, 126277), (591, 86535), (641, 79785), (985, 51921), (1773, 28845), (1923, 26595), (2955, 17307), (3205, 15957), (5319, 9615), (5769, 8865)]