202123005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{503}}^1$

素因数の和:650

約数の個数: 64

約数和(自身を含む): 383201280

約数和(自身を除く): 181078275

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 89, 105, 129, 215, 267, 301, 445, 503, 623, 645, 903, 1335, 1505, 1509, 1869, 2515, 3115, 3521, 3827, 4515, 7545, 9345, 10563, 11481, 17605, 19135, 21629, 26789, 44767, 52815, 57405, 64887, 80367, 108145, 133945, 134301, 151403, 223835, 313369, 324435, 401835, 454209, 671505, 757015, 940107, 1566845, 1924981, 2271045, 4700535, 5774943, 9624905, 13474867, 28874715, 40424601, 67374335, 202123005]

約数ペア:

[(1, 202123005), (3, 67374335), (5, 40424601), (7, 28874715), (15, 13474867), (21, 9624905), (35, 5774943), (43, 4700535), (89, 2271045), (105, 1924981), (129, 1566845), (215, 940107), (267, 757015), (301, 671505), (445, 454209), (503, 401835), (623, 324435), (645, 313369), (903, 223835), (1335, 151403), (1505, 134301), (1509, 133945), (1869, 108145), (2515, 80367), (3115, 64887), (3521, 57405), (3827, 52815), (4515, 44767), (7545, 26789), (9345, 21629), (10563, 19135), (11481, 17605)]