81158175

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{227}}^2$

素因数の和:477

約数の個数: 54

約数和(自身を含む): 166864568

約数和(自身を除く): 85706393

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 175, 225, 227, 315, 525, 681, 1135, 1575, 1589, 2043, 3405, 4767, 5675, 7945, 10215, 14301, 17025, 23835, 39725, 51075, 51529, 71505, 119175, 154587, 257645, 357525, 360703, 463761, 772935, 1082109, 1288225, 1803515, 2318805, 3246327, 3864675, 5410545, 9017575, 11594025, 16231635, 27052725, 81158175]

約数ペア:

[(1, 81158175), (3, 27052725), (5, 16231635), (7, 11594025), (9, 9017575), (15, 5410545), (21, 3864675), (25, 3246327), (35, 2318805), (45, 1803515), (63, 1288225), (75, 1082109), (105, 772935), (175, 463761), (225, 360703), (227, 357525), (315, 257645), (525, 154587), (681, 119175), (1135, 71505), (1575, 51529), (1589, 51075), (2043, 39725), (3405, 23835), (4767, 17025), (5675, 14301), (7945, 10215)]