31438539153

素因数分解:

$3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1291}}^1\times {\mathrm{1481}}^1$

素因数の和:2820

約数の個数: 80

約数和(自身を含む): 55604165760

約数和(自身を除く): 24165626607

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 81, 87, 189, 203, 261, 567, 609, 783, 1291, 1481, 1827, 2349, 3873, 4443, 5481, 9037, 10367, 11619, 13329, 16443, 27111, 31101, 34857, 37439, 39987, 42949, 81333, 93303, 104571, 112317, 119961, 128847, 243999, 262073, 279909, 300643, 336951, 386541, 731997, 786219, 839727, 901929, 1010853, 1159623, 1911971, 2358657, 2705787, 3032559, 3478869, 5735913, 7075971, 8117361, 13383797, 17207739, 21227913, 24352083, 40151391, 51623217, 55447159, 120454173, 154869651, 166341477, 361362519, 388130113, 499024431, 1084087557, 1164390339, 1497073293, 3493171017, 4491219879, 10479513051, 31438539153]

約数ペア:

[(1, 31438539153), (3, 10479513051), (7, 4491219879), (9, 3493171017), (21, 1497073293), (27, 1164390339), (29, 1084087557), (63, 499024431), (81, 388130113), (87, 361362519), (189, 166341477), (203, 154869651), (261, 120454173), (567, 55447159), (609, 51623217), (783, 40151391), (1291, 24352083), (1481, 21227913), (1827, 17207739), (2349, 13383797), (3873, 8117361), (4443, 7075971), (5481, 5735913), (9037, 3478869), (10367, 3032559), (11619, 2705787), (13329, 2358657), (16443, 1911971), (27111, 1159623), (31101, 1010853), (34857, 901929), (37439, 839727), (39987, 786219), (42949, 731997), (81333, 386541), (93303, 336951), (104571, 300643), (112317, 279909), (119961, 262073), (128847, 243999)]