31834737

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:123

約数の個数: 72

約数和(自身を含む): 55770624

約数和(自身を除く): 23935887

約数列:

[1, 3, 9, 11, 23, 31, 33, 41, 69, 93, 99, 121, 123, 207, 253, 279, 341, 363, 369, 451, 713, 759, 943, 1023, 1089, 1271, 1353, 2139, 2277, 2783, 2829, 3069, 3751, 3813, 4059, 4961, 6417, 7843, 8349, 8487, 10373, 11253, 11439, 13981, 14883, 23529, 25047, 29233, 31119, 33759, 41943, 44649, 70587, 86273, 87699, 93357, 114103, 125829, 153791, 258819, 263097, 321563, 342309, 461373, 776457, 964689, 1026927, 1384119, 2894067, 3537193, 10611579, 31834737]

約数ペア:

[(1, 31834737), (3, 10611579), (9, 3537193), (11, 2894067), (23, 1384119), (31, 1026927), (33, 964689), (41, 776457), (69, 461373), (93, 342309), (99, 321563), (121, 263097), (123, 258819), (207, 153791), (253, 125829), (279, 114103), (341, 93357), (363, 87699), (369, 86273), (451, 70587), (713, 44649), (759, 41943), (943, 33759), (1023, 31119), (1089, 29233), (1271, 25047), (1353, 23529), (2139, 14883), (2277, 13981), (2783, 11439), (2829, 11253), (3069, 10373), (3751, 8487), (3813, 8349), (4059, 7843), (4961, 6417)]