321697005

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{439}}^1\times {\mathrm{997}}^1$

素因数の和:1458

約数の個数: 48

約数和(自身を含む): 600716160

約数和(自身を除く): 279019155

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 439, 735, 997, 1317, 2195, 2991, 3073, 4985, 6585, 6979, 9219, 14955, 15365, 20937, 21511, 34895, 46095, 48853, 64533, 104685, 107555, 146559, 244265, 322665, 437683, 732795, 1313049, 2188415, 3063781, 6565245, 9191343, 15318905, 21446467, 45956715, 64339401, 107232335, 321697005]

約数ペア:

[(1, 321697005), (3, 107232335), (5, 64339401), (7, 45956715), (15, 21446467), (21, 15318905), (35, 9191343), (49, 6565245), (105, 3063781), (147, 2188415), (245, 1313049), (439, 732795), (735, 437683), (997, 322665), (1317, 244265), (2195, 146559), (2991, 107555), (3073, 104685), (4985, 64533), (6585, 48853), (6979, 46095), (9219, 34895), (14955, 21511), (15365, 20937)]