217967535

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{1549}}^1$

素因数の和:1672

約数の個数: 48

約数和(自身を含む): 391716000

約数和(自身を除く): 173748465

約数列:

[1, 3, 5, 9, 15, 45, 53, 59, 159, 177, 265, 295, 477, 531, 795, 885, 1549, 2385, 2655, 3127, 4647, 7745, 9381, 13941, 15635, 23235, 28143, 46905, 69705, 82097, 91391, 140715, 246291, 274173, 410485, 456955, 738873, 822519, 1231455, 1370865, 3694365, 4112595, 4843723, 14531169, 24218615, 43593507, 72655845, 217967535]

約数ペア:

[(1, 217967535), (3, 72655845), (5, 43593507), (9, 24218615), (15, 14531169), (45, 4843723), (53, 4112595), (59, 3694365), (159, 1370865), (177, 1231455), (265, 822519), (295, 738873), (477, 456955), (531, 410485), (795, 274173), (885, 246291), (1549, 140715), (2385, 91391), (2655, 82097), (3127, 69705), (4647, 46905), (7745, 28143), (9381, 23235), (13941, 15635)]