180888939

素因数分解:

$3^2\times 7^4\times {\mathrm{11}}^1\times {\mathrm{761}}^1$

素因数の和:806

約数の個数: 60

約数和(自身を含む): 332960472

約数和(自身を除く): 152071533

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 147, 231, 343, 441, 539, 693, 761, 1029, 1617, 2283, 2401, 3087, 3773, 4851, 5327, 6849, 7203, 8371, 11319, 15981, 21609, 25113, 26411, 33957, 37289, 47943, 58597, 75339, 79233, 111867, 175791, 237699, 261023, 335601, 410179, 527373, 783069, 1230537, 1827161, 2349207, 2871253, 3691611, 5481483, 8613759, 16444449, 20098771, 25841277, 60296313, 180888939]

約数ペア:

[(1, 180888939), (3, 60296313), (7, 25841277), (9, 20098771), (11, 16444449), (21, 8613759), (33, 5481483), (49, 3691611), (63, 2871253), (77, 2349207), (99, 1827161), (147, 1230537), (231, 783069), (343, 527373), (441, 410179), (539, 335601), (693, 261023), (761, 237699), (1029, 175791), (1617, 111867), (2283, 79233), (2401, 75339), (3087, 58597), (3773, 47943), (4851, 37289), (5327, 33957), (6849, 26411), (7203, 25113), (8371, 21609), (11319, 15981)]