28498743

素因数分解:

$3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1657}}^1$

素因数の和:1693

約数の個数: 48

約数和(自身を含む): 52923360

約数和(自身を除く): 24424617

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 91, 117, 147, 189, 273, 351, 441, 637, 819, 1323, 1657, 1911, 2457, 4971, 5733, 11599, 14913, 17199, 21541, 34797, 44739, 64623, 81193, 104391, 150787, 193869, 243579, 313173, 452361, 581607, 730737, 1055509, 1357083, 2192211, 3166527, 4071249, 9499581, 28498743]

約数ペア:

[(1, 28498743), (3, 9499581), (7, 4071249), (9, 3166527), (13, 2192211), (21, 1357083), (27, 1055509), (39, 730737), (49, 581607), (63, 452361), (91, 313173), (117, 243579), (147, 193869), (189, 150787), (273, 104391), (351, 81193), (441, 64623), (637, 44739), (819, 34797), (1323, 21541), (1657, 17199), (1911, 14913), (2457, 11599), (4971, 5733)]