331337331

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{823}}^1$

素因数の和:913

約数の個数: 64

約数和(自身を含む): 561111040

約数和(自身を除く): 229773709

約数列:

[1, 3, 9, 13, 27, 31, 37, 39, 93, 111, 117, 279, 333, 351, 403, 481, 823, 837, 999, 1147, 1209, 1443, 2469, 3441, 3627, 4329, 7407, 10323, 10699, 10881, 12987, 14911, 22221, 25513, 30451, 30969, 32097, 44733, 76539, 91353, 96291, 134199, 229617, 274059, 288873, 331669, 395863, 402597, 688851, 822177, 943981, 995007, 1187589, 2831943, 2985021, 3562767, 8495829, 8955063, 10688301, 12271753, 25487487, 36815259, 110445777, 331337331]

約数ペア:

[(1, 331337331), (3, 110445777), (9, 36815259), (13, 25487487), (27, 12271753), (31, 10688301), (37, 8955063), (39, 8495829), (93, 3562767), (111, 2985021), (117, 2831943), (279, 1187589), (333, 995007), (351, 943981), (403, 822177), (481, 688851), (823, 402597), (837, 395863), (999, 331669), (1147, 288873), (1209, 274059), (1443, 229617), (2469, 134199), (3441, 96291), (3627, 91353), (4329, 76539), (7407, 44733), (10323, 32097), (10699, 30969), (10881, 30451), (12987, 25513), (14911, 22221)]