201968145

素因数分解:

$3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1\times {\mathrm{239}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 357177600

約数和(自身を除く): 155209455

約数列:

[1, 3, 5, 9, 15, 45, 89, 211, 239, 267, 445, 633, 717, 801, 1055, 1195, 1335, 1899, 2151, 3165, 3585, 4005, 9495, 10755, 18779, 21271, 50429, 56337, 63813, 93895, 106355, 151287, 169011, 191439, 252145, 281685, 319065, 453861, 756435, 845055, 957195, 2269305, 4488181, 13464543, 22440905, 40393629, 67322715, 201968145]

約数ペア:

[(1, 201968145), (3, 67322715), (5, 40393629), (9, 22440905), (15, 13464543), (45, 4488181), (89, 2269305), (211, 957195), (239, 845055), (267, 756435), (445, 453861), (633, 319065), (717, 281685), (801, 252145), (1055, 191439), (1195, 169011), (1335, 151287), (1899, 106355), (2151, 93895), (3165, 63813), (3585, 56337), (4005, 50429), (9495, 21271), (10755, 18779)]