263444013

素因数分解:

$3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 443304576

約数和(自身を除く): 179860563

約数列:

[1, 3, 7, 9, 21, 63, 131, 137, 233, 393, 411, 699, 917, 959, 1179, 1233, 1631, 2097, 2751, 2877, 4893, 8253, 8631, 14679, 17947, 30523, 31921, 53841, 91569, 95763, 125629, 161523, 213661, 223447, 274707, 287289, 376887, 640983, 670341, 1130661, 1922949, 2011023, 4181651, 12544953, 29271557, 37634859, 87814671, 263444013]

約数ペア:

[(1, 263444013), (3, 87814671), (7, 37634859), (9, 29271557), (21, 12544953), (63, 4181651), (131, 2011023), (137, 1922949), (233, 1130661), (393, 670341), (411, 640983), (699, 376887), (917, 287289), (959, 274707), (1179, 223447), (1233, 213661), (1631, 161523), (2097, 125629), (2751, 95763), (2877, 91569), (4893, 53841), (8253, 31921), (8631, 30523), (14679, 17947)]