391114971

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{269}}^1$

素因数の和:365

約数の個数: 72

約数和(自身を含む): 663783120

約数和(自身を除く): 272668149

約数列:

[1, 3, 9, 13, 17, 39, 43, 51, 117, 129, 153, 221, 269, 289, 387, 559, 663, 731, 807, 867, 1677, 1989, 2193, 2421, 2601, 3497, 3757, 4573, 5031, 6579, 9503, 10491, 11271, 11567, 12427, 13719, 28509, 31473, 33813, 34701, 37281, 41157, 59449, 77741, 85527, 104103, 111843, 150371, 161551, 178347, 196639, 233223, 451113, 484653, 535041, 589917, 699669, 1010633, 1353339, 1453959, 1769751, 2556307, 3031899, 3342863, 7668921, 9095697, 10028589, 23006763, 30085767, 43457219, 130371657, 391114971]

約数ペア:

[(1, 391114971), (3, 130371657), (9, 43457219), (13, 30085767), (17, 23006763), (39, 10028589), (43, 9095697), (51, 7668921), (117, 3342863), (129, 3031899), (153, 2556307), (221, 1769751), (269, 1453959), (289, 1353339), (387, 1010633), (559, 699669), (663, 589917), (731, 535041), (807, 484653), (867, 451113), (1677, 233223), (1989, 196639), (2193, 178347), (2421, 161551), (2601, 150371), (3497, 111843), (3757, 104103), (4573, 85527), (5031, 77741), (6579, 59449), (9503, 41157), (10491, 37281), (11271, 34701), (11567, 33813), (12427, 31473), (13719, 28509)]