668727771

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{419}}^1$

素因数の和:679

約数の個数: 32

約数和(自身を含む): 928972800

約数和(自身を除く): 260245029

約数列:

[1, 3, 59, 71, 127, 177, 213, 381, 419, 1257, 4189, 7493, 9017, 12567, 22479, 24721, 27051, 29749, 53213, 74163, 89247, 159639, 532003, 1596009, 1755191, 3139567, 3778123, 5265573, 9418701, 11334369, 222909257, 668727771]

約数ペア:

[(1, 668727771), (3, 222909257), (59, 11334369), (71, 9418701), (127, 5265573), (177, 3778123), (213, 3139567), (381, 1755191), (419, 1596009), (1257, 532003), (4189, 159639), (7493, 89247), (9017, 74163), (12567, 53213), (22479, 29749), (24721, 27051)]