90725817

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{17491}}^1$

素因数の和:17533

約数の個数: 32

約数和(自身を含む): 156728320

約数和(自身を除く): 66002503

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 5187, 17491, 52473, 122437, 227383, 332329, 367311, 682149, 996987, 1591681, 2326303, 4320277, 4775043, 6978909, 12960831, 30241939, 90725817]

約数ペア:

[(1, 90725817), (3, 30241939), (7, 12960831), (13, 6978909), (19, 4775043), (21, 4320277), (39, 2326303), (57, 1591681), (91, 996987), (133, 682149), (247, 367311), (273, 332329), (399, 227383), (741, 122437), (1729, 52473), (5187, 17491)]