201517155

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{1549}}^1$

素因数の和:1633

約数の個数: 72

約数和(自身を含む): 413478000

約数和(自身を除く): 211960845

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 59, 63, 105, 147, 177, 245, 295, 315, 413, 441, 531, 735, 885, 1239, 1549, 2065, 2205, 2655, 2891, 3717, 4647, 6195, 7745, 8673, 10843, 13941, 14455, 18585, 23235, 26019, 32529, 43365, 54215, 69705, 75901, 91391, 97587, 130095, 162645, 227703, 274173, 379505, 456955, 487935, 639737, 683109, 822519, 1138515, 1370865, 1919211, 3198685, 3415545, 4112595, 4478159, 5757633, 9596055, 13434477, 22390795, 28788165, 40303431, 67172385, 201517155]

約数ペア:

[(1, 201517155), (3, 67172385), (5, 40303431), (7, 28788165), (9, 22390795), (15, 13434477), (21, 9596055), (35, 5757633), (45, 4478159), (49, 4112595), (59, 3415545), (63, 3198685), (105, 1919211), (147, 1370865), (177, 1138515), (245, 822519), (295, 683109), (315, 639737), (413, 487935), (441, 456955), (531, 379505), (735, 274173), (885, 227703), (1239, 162645), (1549, 130095), (2065, 97587), (2205, 91391), (2655, 75901), (2891, 69705), (3717, 54215), (4647, 43365), (6195, 32529), (7745, 26019), (8673, 23235), (10843, 18585), (13941, 14455)]