2877881769

素因数分解:

$3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{3229}}^1$

素因数の和:3339

約数の個数: 72

約数和(自身を含む): 5054924160

約数和(自身を除く): 2177042391

約数列:

[1, 3, 7, 9, 21, 43, 47, 49, 63, 129, 141, 147, 301, 329, 387, 423, 441, 903, 987, 2021, 2107, 2303, 2709, 2961, 3229, 6063, 6321, 6909, 9687, 14147, 18189, 18963, 20727, 22603, 29061, 42441, 67809, 99029, 127323, 138847, 151763, 158221, 203427, 297087, 416541, 455289, 474663, 891261, 971929, 1062341, 1249623, 1365867, 1423989, 2915787, 3187023, 6525809, 6803503, 7436387, 8747361, 9561069, 19577427, 20410509, 22309161, 45680663, 58732281, 61231527, 66927483, 137041989, 319764641, 411125967, 959293923, 2877881769]

約数ペア:

[(1, 2877881769), (3, 959293923), (7, 411125967), (9, 319764641), (21, 137041989), (43, 66927483), (47, 61231527), (49, 58732281), (63, 45680663), (129, 22309161), (141, 20410509), (147, 19577427), (301, 9561069), (329, 8747361), (387, 7436387), (423, 6803503), (441, 6525809), (903, 3187023), (987, 2915787), (2021, 1423989), (2107, 1365867), (2303, 1249623), (2709, 1062341), (2961, 971929), (3229, 891261), (6063, 474663), (6321, 455289), (6909, 416541), (9687, 297087), (14147, 203427), (18189, 158221), (18963, 151763), (20727, 138847), (22603, 127323), (29061, 99029), (42441, 67809)]