81339951

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{269}}^1$

素因数の和:325

約数の個数: 72

約数和(自身を含む): 147374640

約数和(自身を除く): 66034689

約数列:

[1, 3, 7, 11, 17, 21, 33, 49, 51, 77, 119, 121, 147, 187, 231, 269, 357, 363, 539, 561, 807, 833, 847, 1309, 1617, 1883, 2057, 2499, 2541, 2959, 3927, 4573, 5649, 5929, 6171, 8877, 9163, 13181, 13719, 14399, 17787, 20713, 27489, 32011, 32549, 39543, 43197, 50303, 62139, 96033, 97647, 100793, 144991, 150909, 224077, 227843, 302379, 352121, 434973, 553333, 672231, 683529, 1056363, 1594901, 1659999, 2464847, 3873331, 4784703, 7394541, 11619993, 27113317, 81339951]

約数ペア:

[(1, 81339951), (3, 27113317), (7, 11619993), (11, 7394541), (17, 4784703), (21, 3873331), (33, 2464847), (49, 1659999), (51, 1594901), (77, 1056363), (119, 683529), (121, 672231), (147, 553333), (187, 434973), (231, 352121), (269, 302379), (357, 227843), (363, 224077), (539, 150909), (561, 144991), (807, 100793), (833, 97647), (847, 96033), (1309, 62139), (1617, 50303), (1883, 43197), (2057, 39543), (2499, 32549), (2541, 32011), (2959, 27489), (3927, 20713), (4573, 17787), (5649, 14399), (5929, 13719), (6171, 13181), (8877, 9163)]