71211427

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^2\times {\mathrm{83}}^1$

素因数の和:259

約数の個数: 24

約数和(自身を含む): 87139584

約数和(自身を除く): 15928157

約数列:

[1, 7, 23, 73, 83, 161, 511, 581, 1679, 1909, 5329, 6059, 11753, 13363, 37303, 42413, 122567, 139357, 442307, 857969, 975499, 3096149, 10173061, 71211427]

約数ペア:

[(1, 71211427), (7, 10173061), (23, 3096149), (73, 975499), (83, 857969), (161, 442307), (511, 139357), (581, 122567), (1679, 42413), (1909, 37303), (5329, 13363), (6059, 11753)]