1338862689

素因数分解:

$3^5\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{1997}}^1$

素因数の和:2132

約数の個数: 48

約数和(自身を含む): 2094543360

約数和(自身を除く): 755680671

約数列:

[1, 3, 9, 27, 31, 81, 89, 93, 243, 267, 279, 801, 837, 1997, 2403, 2511, 2759, 5991, 7209, 7533, 8277, 17973, 21627, 24831, 53919, 61907, 74493, 161757, 177733, 185721, 223479, 485271, 533199, 557163, 670437, 1599597, 1671489, 4798791, 5014467, 5509723, 14396373, 15043401, 16529169, 43189119, 49587507, 148762521, 446287563, 1338862689]

約数ペア:

[(1, 1338862689), (3, 446287563), (9, 148762521), (27, 49587507), (31, 43189119), (81, 16529169), (89, 15043401), (93, 14396373), (243, 5509723), (267, 5014467), (279, 4798791), (801, 1671489), (837, 1599597), (1997, 670437), (2403, 557163), (2511, 533199), (2759, 485271), (5991, 223479), (7209, 185721), (7533, 177733), (8277, 161757), (17973, 74493), (21627, 61907), (24831, 53919)]