193744971

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{601}}^1$

素因数の和:681

約数の個数: 72

約数和(自身を含む): 353296944

約数和(自身を除く): 159551973

約数列:

[1, 3, 7, 9, 17, 21, 43, 49, 51, 63, 119, 129, 147, 153, 301, 357, 387, 441, 601, 731, 833, 903, 1071, 1803, 2107, 2193, 2499, 2709, 4207, 5117, 5409, 6321, 6579, 7497, 10217, 12621, 15351, 18963, 25843, 29449, 30651, 35819, 37863, 46053, 71519, 77529, 88347, 91953, 107457, 180901, 214557, 232587, 265041, 322371, 439331, 500633, 542703, 643671, 1266307, 1317993, 1501899, 1628109, 3075317, 3798921, 3953979, 4505697, 9225951, 11396763, 21527219, 27677853, 64581657, 193744971]

約数ペア:

[(1, 193744971), (3, 64581657), (7, 27677853), (9, 21527219), (17, 11396763), (21, 9225951), (43, 4505697), (49, 3953979), (51, 3798921), (63, 3075317), (119, 1628109), (129, 1501899), (147, 1317993), (153, 1266307), (301, 643671), (357, 542703), (387, 500633), (441, 439331), (601, 322371), (731, 265041), (833, 232587), (903, 214557), (1071, 180901), (1803, 107457), (2107, 91953), (2193, 88347), (2499, 77529), (2709, 71519), (4207, 46053), (5117, 37863), (5409, 35819), (6321, 30651), (6579, 29449), (7497, 25843), (10217, 18963), (12621, 15351)]