17280975

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 30692480

約数和(自身を除く): 13411505

約数列:

[1, 3, 5, 15, 19, 25, 57, 67, 75, 95, 181, 201, 285, 335, 475, 543, 905, 1005, 1273, 1425, 1675, 2715, 3439, 3819, 4525, 5025, 6365, 10317, 12127, 13575, 17195, 19095, 31825, 36381, 51585, 60635, 85975, 95475, 181905, 230413, 257925, 303175, 691239, 909525, 1152065, 3456195, 5760325, 17280975]

約数ペア:

[(1, 17280975), (3, 5760325), (5, 3456195), (15, 1152065), (19, 909525), (25, 691239), (57, 303175), (67, 257925), (75, 230413), (95, 181905), (181, 95475), (201, 85975), (285, 60635), (335, 51585), (475, 36381), (543, 31825), (905, 19095), (1005, 17195), (1273, 13575), (1425, 12127), (1675, 10317), (2715, 6365), (3439, 5025), (3819, 4525)]