172894185

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{449}}^1$

素因数の和:702

約数の個数: 48

約数和(自身を含む): 308880000

約数和(自身を除く): 135985815

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 199, 215, 387, 449, 597, 645, 995, 1347, 1791, 1935, 2245, 2985, 4041, 6735, 8557, 8955, 19307, 20205, 25671, 42785, 57921, 77013, 89351, 96535, 128355, 173763, 268053, 289605, 385065, 446755, 804159, 868815, 1340265, 3842093, 4020795, 11526279, 19210465, 34578837, 57631395, 172894185]

約数ペア:

[(1, 172894185), (3, 57631395), (5, 34578837), (9, 19210465), (15, 11526279), (43, 4020795), (45, 3842093), (129, 1340265), (199, 868815), (215, 804159), (387, 446755), (449, 385065), (597, 289605), (645, 268053), (995, 173763), (1347, 128355), (1791, 96535), (1935, 89351), (2245, 77013), (2985, 57921), (4041, 42785), (6735, 25671), (8557, 20205), (8955, 19307)]