12886755

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 24377760

約数和(自身を除く): 11491005

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 89, 105, 147, 197, 245, 267, 445, 591, 623, 735, 985, 1335, 1379, 1869, 2955, 3115, 4137, 4361, 6895, 9345, 9653, 13083, 17533, 20685, 21805, 28959, 48265, 52599, 65415, 87665, 122731, 144795, 262995, 368193, 613655, 859117, 1840965, 2577351, 4295585, 12886755]

約数ペア:

[(1, 12886755), (3, 4295585), (5, 2577351), (7, 1840965), (15, 859117), (21, 613655), (35, 368193), (49, 262995), (89, 144795), (105, 122731), (147, 87665), (197, 65415), (245, 52599), (267, 48265), (445, 28959), (591, 21805), (623, 20685), (735, 17533), (985, 13083), (1335, 9653), (1379, 9345), (1869, 6895), (2955, 4361), (3115, 4137)]