201878205

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{1447}}^1$

素因数の和:1657

約数の個数: 32

約数和(自身を含む): 330283008

約数和(自身を除く): 128404803

約数列:

[1, 3, 5, 15, 71, 131, 213, 355, 393, 655, 1065, 1447, 1965, 4341, 7235, 9301, 21705, 27903, 46505, 102737, 139515, 189557, 308211, 513685, 568671, 947785, 1541055, 2843355, 13458547, 40375641, 67292735, 201878205]

約数ペア:

[(1, 201878205), (3, 67292735), (5, 40375641), (15, 13458547), (71, 2843355), (131, 1541055), (213, 947785), (355, 568671), (393, 513685), (655, 308211), (1065, 189557), (1447, 139515), (1965, 102737), (4341, 46505), (7235, 27903), (9301, 21705)]