721722474

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{17609}}^1$

素因数の和:17657

約数の個数: 80

約数和(自身を含む): 1841019840

約数和(自身を除く): 1119297366

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 23, 27, 33, 46, 54, 66, 69, 81, 99, 138, 162, 198, 207, 253, 297, 414, 506, 594, 621, 759, 891, 1242, 1518, 1782, 1863, 2277, 3726, 4554, 6831, 13662, 17609, 20493, 35218, 40986, 52827, 105654, 158481, 193699, 316962, 387398, 405007, 475443, 581097, 810014, 950886, 1162194, 1215021, 1426329, 1743291, 2430042, 2852658, 3486582, 3645063, 4455077, 5229873, 7290126, 8910154, 10459746, 10935189, 13365231, 15689619, 21870378, 26730462, 31379238, 32805567, 40095693, 65611134, 80191386, 120287079, 240574158, 360861237, 721722474]

約数ペア:

[(1, 721722474), (2, 360861237), (3, 240574158), (6, 120287079), (9, 80191386), (11, 65611134), (18, 40095693), (22, 32805567), (23, 31379238), (27, 26730462), (33, 21870378), (46, 15689619), (54, 13365231), (66, 10935189), (69, 10459746), (81, 8910154), (99, 7290126), (138, 5229873), (162, 4455077), (198, 3645063), (207, 3486582), (253, 2852658), (297, 2430042), (414, 1743291), (506, 1426329), (594, 1215021), (621, 1162194), (759, 950886), (891, 810014), (1242, 581097), (1518, 475443), (1782, 405007), (1863, 387398), (2277, 316962), (3726, 193699), (4554, 158481), (6831, 105654), (13662, 52827), (17609, 40986), (20493, 35218)]