17812905

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1213}}^1$

素因数の和:1321

約数の個数: 32

約数和(自身を含む): 31466880

約数和(自身を除く): 13653975

約数列:

[1, 3, 5, 11, 15, 33, 55, 89, 165, 267, 445, 979, 1213, 1335, 2937, 3639, 4895, 6065, 13343, 14685, 18195, 40029, 66715, 107957, 200145, 323871, 539785, 1187527, 1619355, 3562581, 5937635, 17812905]

約数ペア:

[(1, 17812905), (3, 5937635), (5, 3562581), (11, 1619355), (15, 1187527), (33, 539785), (55, 323871), (89, 200145), (165, 107957), (267, 66715), (445, 40029), (979, 18195), (1213, 14685), (1335, 13343), (2937, 6065), (3639, 4895)]