201420795

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 338891040

約数和(自身を除く): 137470245

約数列:

[1, 3, 5, 15, 31, 89, 93, 155, 157, 267, 445, 465, 471, 785, 961, 1335, 2355, 2759, 2883, 4805, 4867, 8277, 13795, 13973, 14415, 14601, 24335, 41385, 41919, 69865, 73005, 85529, 150877, 209595, 256587, 427645, 433163, 452631, 754385, 1282935, 1299489, 2165815, 2263155, 6497445, 13428053, 40284159, 67140265, 201420795]

約数ペア:

[(1, 201420795), (3, 67140265), (5, 40284159), (15, 13428053), (31, 6497445), (89, 2263155), (93, 2165815), (155, 1299489), (157, 1282935), (267, 754385), (445, 452631), (465, 433163), (471, 427645), (785, 256587), (961, 209595), (1335, 150877), (2355, 85529), (2759, 73005), (2883, 69865), (4805, 41919), (4867, 41385), (8277, 24335), (13795, 14601), (13973, 14415)]