229808709

素因数分解:

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

素因数の和:191

約数の個数: 72

約数和(自身を含む): 386480640

約数和(自身を除く): 156671931

約数列:

[1, 3, 9, 13, 23, 39, 47, 69, 79, 117, 141, 207, 237, 299, 423, 529, 611, 711, 897, 1027, 1081, 1587, 1817, 1833, 2691, 3081, 3243, 3713, 4761, 5451, 5499, 6877, 9243, 9729, 11139, 14053, 16353, 20631, 23621, 24863, 33417, 41791, 42159, 48269, 61893, 70863, 74589, 85399, 125373, 126477, 144807, 212589, 223767, 256197, 323219, 376119, 434421, 543283, 768591, 969657, 1110187, 1629849, 1964177, 2908971, 3330561, 4889547, 5892531, 9991683, 17677593, 25534301, 76602903, 229808709]

約数ペア:

[(1, 229808709), (3, 76602903), (9, 25534301), (13, 17677593), (23, 9991683), (39, 5892531), (47, 4889547), (69, 3330561), (79, 2908971), (117, 1964177), (141, 1629849), (207, 1110187), (237, 969657), (299, 768591), (423, 543283), (529, 434421), (611, 376119), (711, 323219), (897, 256197), (1027, 223767), (1081, 212589), (1587, 144807), (1817, 126477), (1833, 125373), (2691, 85399), (3081, 74589), (3243, 70863), (3713, 61893), (4761, 48269), (5451, 42159), (5499, 41791), (6877, 33417), (9243, 24863), (9729, 23621), (11139, 20631), (14053, 16353)]