1720719

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 3354624

約数和(自身を除く): 1633905

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 63, 77, 91, 99, 117, 143, 191, 231, 273, 429, 573, 693, 819, 1001, 1287, 1337, 1719, 2101, 2483, 3003, 4011, 6303, 7449, 9009, 12033, 14707, 17381, 18909, 22347, 27313, 44121, 52143, 81939, 132363, 156429, 191191, 245817, 573573, 1720719]

約数ペア:

[(1, 1720719), (3, 573573), (7, 245817), (9, 191191), (11, 156429), (13, 132363), (21, 81939), (33, 52143), (39, 44121), (63, 27313), (77, 22347), (91, 18909), (99, 17381), (117, 14707), (143, 12033), (191, 9009), (231, 7449), (273, 6303), (429, 4011), (573, 3003), (693, 2483), (819, 2101), (1001, 1719), (1287, 1337)]