77964075

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{839}}^1$

素因数の和:921

約数の個数: 72

約数和(自身を含む): 162489600

約数和(自身を除く): 84525525

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 59, 63, 75, 105, 175, 177, 225, 295, 315, 413, 525, 531, 839, 885, 1239, 1475, 1575, 2065, 2517, 2655, 3717, 4195, 4425, 5873, 6195, 7551, 10325, 12585, 13275, 17619, 18585, 20975, 29365, 30975, 37755, 49501, 52857, 62925, 88095, 92925, 146825, 148503, 188775, 247505, 264285, 346507, 440475, 445509, 742515, 1039521, 1237525, 1321425, 1732535, 2227545, 3118563, 3712575, 5197605, 8662675, 11137725, 15592815, 25988025, 77964075]

約数ペア:

[(1, 77964075), (3, 25988025), (5, 15592815), (7, 11137725), (9, 8662675), (15, 5197605), (21, 3712575), (25, 3118563), (35, 2227545), (45, 1732535), (59, 1321425), (63, 1237525), (75, 1039521), (105, 742515), (175, 445509), (177, 440475), (225, 346507), (295, 264285), (315, 247505), (413, 188775), (525, 148503), (531, 146825), (839, 92925), (885, 88095), (1239, 62925), (1475, 52857), (1575, 49501), (2065, 37755), (2517, 30975), (2655, 29365), (3717, 20975), (4195, 18585), (4425, 17619), (5873, 13275), (6195, 12585), (7551, 10325)]