1520640009

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{8011}}^1$

素因数の和:8178

約数の個数: 48

約数和(自身を含む): 2639729664

約数和(自身を除く): 1119089655

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 131, 161, 207, 393, 483, 917, 1179, 1449, 2751, 3013, 8011, 8253, 9039, 21091, 24033, 27117, 56077, 63273, 72099, 168231, 184253, 189819, 504693, 552759, 1049441, 1289771, 1658277, 3148323, 3869313, 7346087, 9444969, 11607939, 22038261, 24137143, 66114783, 72411429, 168960001, 217234287, 506880003, 1520640009]

約数ペア:

[(1, 1520640009), (3, 506880003), (7, 217234287), (9, 168960001), (21, 72411429), (23, 66114783), (63, 24137143), (69, 22038261), (131, 11607939), (161, 9444969), (207, 7346087), (393, 3869313), (483, 3148323), (917, 1658277), (1179, 1289771), (1449, 1049441), (2751, 552759), (3013, 504693), (8011, 189819), (8253, 184253), (9039, 168231), (21091, 72099), (24033, 63273), (27117, 56077)]