28895937

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{373}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 49116672

約数和(自身を除く): 20220735

約数列:

[1, 3, 7, 17, 21, 31, 49, 51, 93, 119, 147, 217, 357, 373, 527, 651, 833, 1119, 1519, 1581, 2499, 2611, 3689, 4557, 6341, 7833, 11067, 11563, 18277, 19023, 25823, 34689, 44387, 54831, 77469, 80941, 133161, 196571, 242823, 310709, 566587, 589713, 932127, 1375997, 1699761, 4127991, 9631979, 28895937]

約数ペア:

[(1, 28895937), (3, 9631979), (7, 4127991), (17, 1699761), (21, 1375997), (31, 932127), (49, 589713), (51, 566587), (93, 310709), (119, 242823), (147, 196571), (217, 133161), (357, 80941), (373, 77469), (527, 54831), (651, 44387), (833, 34689), (1119, 25823), (1519, 19023), (1581, 18277), (2499, 11563), (2611, 11067), (3689, 7833), (4557, 6341)]