640406151

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{12659}}^1$

素因数の和:12756

約数の個数: 48

約数和(自身を含む): 1169176320

約数和(自身を除く): 528770169

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 73, 77, 99, 219, 231, 511, 657, 693, 803, 1533, 2409, 4599, 5621, 7227, 12659, 16863, 37977, 50589, 88613, 113931, 139249, 265839, 417747, 797517, 924107, 974743, 1253241, 2772321, 2924229, 6468749, 8316963, 8772687, 10165177, 19406247, 30495531, 58218741, 71156239, 91486593, 213468717, 640406151]

約数ペア:

[(1, 640406151), (3, 213468717), (7, 91486593), (9, 71156239), (11, 58218741), (21, 30495531), (33, 19406247), (63, 10165177), (73, 8772687), (77, 8316963), (99, 6468749), (219, 2924229), (231, 2772321), (511, 1253241), (657, 974743), (693, 924107), (803, 797517), (1533, 417747), (2409, 265839), (4599, 139249), (5621, 113931), (7227, 88613), (12659, 50589), (16863, 37977)]