1720221183

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1\times {\mathrm{757}}^1$

素因数の和:1016

約数の個数: 48

約数和(自身を含む): 2665309920

約数和(自身を除く): 945088737

約数列:

[1, 3, 9, 19, 57, 97, 137, 171, 291, 411, 757, 873, 1233, 1843, 2271, 2603, 5529, 6813, 7809, 13289, 14383, 16587, 23427, 39867, 43149, 73429, 103709, 119601, 129447, 220287, 252491, 311127, 660861, 757473, 933381, 1395151, 1970471, 2272419, 4185453, 5911413, 10059773, 12556359, 17734239, 30179319, 90537957, 191135687, 573407061, 1720221183]

約数ペア:

[(1, 1720221183), (3, 573407061), (9, 191135687), (19, 90537957), (57, 30179319), (97, 17734239), (137, 12556359), (171, 10059773), (291, 5911413), (411, 4185453), (757, 2272419), (873, 1970471), (1233, 1395151), (1843, 933381), (2271, 757473), (2603, 660861), (5529, 311127), (6813, 252491), (7809, 220287), (13289, 129447), (14383, 119601), (16587, 103709), (23427, 73429), (39867, 43149)]