12856767

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{7951}}^1$

素因数の和:7979

約数の個数: 24

約数和(自身を含む): 21756672

約数和(自身を除く): 8899905

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 7951, 23853, 55657, 87461, 166971, 262383, 389599, 612227, 1168797, 1836681, 4285589, 12856767]

約数ペア:

[(1, 12856767), (3, 4285589), (7, 1836681), (11, 1168797), (21, 612227), (33, 389599), (49, 262383), (77, 166971), (147, 87461), (231, 55657), (539, 23853), (1617, 7951)]