81451695

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{2099}}^1$

素因数の和:2319

約数の個数: 32

約数和(自身を含む): 141120000

約数和(自身を除く): 59668305

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 199, 597, 995, 2099, 2587, 2985, 6297, 7761, 10495, 12935, 27287, 31485, 38805, 81861, 136435, 409305, 417701, 1253103, 2088505, 5430113, 6265515, 16290339, 27150565, 81451695]

約数ペア:

[(1, 81451695), (3, 27150565), (5, 16290339), (13, 6265515), (15, 5430113), (39, 2088505), (65, 1253103), (195, 417701), (199, 409305), (597, 136435), (995, 81861), (2099, 38805), (2587, 31485), (2985, 27287), (6297, 12935), (7761, 10495)]