81453636

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1997}}^1$

素因数の和:2121

約数の個数: 72

約数和(自身を含む): 226908864

約数和(自身を除く): 145455228

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 103, 132, 198, 206, 309, 396, 412, 618, 927, 1133, 1236, 1854, 1997, 2266, 3399, 3708, 3994, 4532, 5991, 6798, 7988, 10197, 11982, 13596, 17973, 20394, 21967, 23964, 35946, 40788, 43934, 65901, 71892, 87868, 131802, 197703, 205691, 263604, 395406, 411382, 617073, 790812, 822764, 1234146, 1851219, 2262601, 2468292, 3702438, 4525202, 6787803, 7404876, 9050404, 13575606, 20363409, 27151212, 40726818, 81453636]

約数ペア:

[(1, 81453636), (2, 40726818), (3, 27151212), (4, 20363409), (6, 13575606), (9, 9050404), (11, 7404876), (12, 6787803), (18, 4525202), (22, 3702438), (33, 2468292), (36, 2262601), (44, 1851219), (66, 1234146), (99, 822764), (103, 790812), (132, 617073), (198, 411382), (206, 395406), (309, 263604), (396, 205691), (412, 197703), (618, 131802), (927, 87868), (1133, 71892), (1236, 65901), (1854, 43934), (1997, 40788), (2266, 35946), (3399, 23964), (3708, 21967), (3994, 20394), (4532, 17973), (5991, 13596), (6798, 11982), (7988, 10197)]