168309009

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:280

約数の個数: 80

約数和(自身を含む): 294395904

約数和(自身を除く): 126086895

約数列:

[1, 3, 9, 11, 23, 27, 33, 43, 69, 81, 99, 129, 191, 207, 253, 297, 387, 473, 573, 621, 759, 891, 989, 1161, 1419, 1719, 1863, 2101, 2277, 2967, 3483, 4257, 4393, 5157, 6303, 6831, 8213, 8901, 10879, 12771, 13179, 15471, 18909, 20493, 24639, 26703, 32637, 38313, 39537, 48323, 56727, 73917, 80109, 90343, 97911, 118611, 144969, 170181, 188899, 221751, 271029, 293733, 355833, 434907, 566697, 665253, 813087, 881199, 1304721, 1700091, 2077889, 2439261, 3914163, 5100273, 6233667, 7317783, 15300819, 18701001, 56103003, 168309009]

約数ペア:

[(1, 168309009), (3, 56103003), (9, 18701001), (11, 15300819), (23, 7317783), (27, 6233667), (33, 5100273), (43, 3914163), (69, 2439261), (81, 2077889), (99, 1700091), (129, 1304721), (191, 881199), (207, 813087), (253, 665253), (297, 566697), (387, 434907), (473, 355833), (573, 293733), (621, 271029), (759, 221751), (891, 188899), (989, 170181), (1161, 144969), (1419, 118611), (1719, 97911), (1863, 90343), (2101, 80109), (2277, 73917), (2967, 56727), (3483, 48323), (4257, 39537), (4393, 38313), (5157, 32637), (6303, 26703), (6831, 24639), (8213, 20493), (8901, 18909), (10879, 15471), (12771, 13179)]