664980759

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{2161}}^1$

素因数の和:2333

約数の個数: 40

約数和(自身を含む): 1035943920

約数和(自身を除く): 370963161

約数列:

[1, 3, 9, 27, 29, 81, 87, 131, 261, 393, 783, 1179, 2161, 2349, 3537, 3799, 6483, 10611, 11397, 19449, 34191, 58347, 62669, 102573, 175041, 188007, 283091, 307719, 564021, 849273, 1692063, 2547819, 5076189, 7643457, 8209639, 22930371, 24628917, 73886751, 221660253, 664980759]

約数ペア:

[(1, 664980759), (3, 221660253), (9, 73886751), (27, 24628917), (29, 22930371), (81, 8209639), (87, 7643457), (131, 5076189), (261, 2547819), (393, 1692063), (783, 849273), (1179, 564021), (2161, 307719), (2349, 283091), (3537, 188007), (3799, 175041), (6483, 102573), (10611, 62669), (11397, 58347), (19449, 34191)]