9991683

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:168

約数の個数: 48

約数和(自身を含む): 16773120

約数和(自身を除く): 6781437

約数列:

[1, 3, 9, 13, 23, 39, 47, 69, 79, 117, 141, 207, 237, 299, 423, 611, 711, 897, 1027, 1081, 1817, 1833, 2691, 3081, 3243, 3713, 5451, 5499, 9243, 9729, 11139, 14053, 16353, 23621, 33417, 42159, 48269, 70863, 85399, 126477, 144807, 212589, 256197, 434421, 768591, 1110187, 3330561, 9991683]

約数ペア:

[(1, 9991683), (3, 3330561), (9, 1110187), (13, 768591), (23, 434421), (39, 256197), (47, 212589), (69, 144807), (79, 126477), (117, 85399), (141, 70863), (207, 48269), (237, 42159), (299, 33417), (423, 23621), (611, 16353), (711, 14053), (897, 11139), (1027, 9729), (1081, 9243), (1817, 5499), (1833, 5451), (2691, 3713), (3081, 3243)]