199018503

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{491}}^1\times {\mathrm{1553}}^1$

素因数の和:2079

約数の個数: 24

約数和(自身を含む): 298181520

約数和(自身を除く): 99163017

約数列:

[1, 3, 9, 29, 87, 261, 491, 1473, 1553, 4419, 4659, 13977, 14239, 42717, 45037, 128151, 135111, 405333, 762523, 2287569, 6862707, 22113167, 66339501, 199018503]

約数ペア:

[(1, 199018503), (3, 66339501), (9, 22113167), (29, 6862707), (87, 2287569), (261, 762523), (491, 405333), (1473, 135111), (1553, 128151), (4419, 45037), (4659, 42717), (13977, 14239)]