66817875

素因数分解:

$3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:229

約数の個数: 64

約数和(自身を含む): 118849536

約数和(自身を除く): 52031661

約数列:

[1, 3, 5, 15, 23, 25, 61, 69, 75, 115, 125, 127, 183, 305, 345, 375, 381, 575, 635, 915, 1403, 1525, 1725, 1905, 2875, 2921, 3175, 4209, 4575, 7015, 7625, 7747, 8625, 8763, 9525, 14605, 15875, 21045, 22875, 23241, 35075, 38735, 43815, 47625, 73025, 105225, 116205, 175375, 178181, 193675, 219075, 365125, 526125, 534543, 581025, 890905, 968375, 1095375, 2672715, 2905125, 4454525, 13363575, 22272625, 66817875]

約数ペア:

[(1, 66817875), (3, 22272625), (5, 13363575), (15, 4454525), (23, 2905125), (25, 2672715), (61, 1095375), (69, 968375), (75, 890905), (115, 581025), (125, 534543), (127, 526125), (183, 365125), (305, 219075), (345, 193675), (375, 178181), (381, 175375), (575, 116205), (635, 105225), (915, 73025), (1403, 47625), (1525, 43815), (1725, 38735), (1905, 35075), (2875, 23241), (2921, 22875), (3175, 21045), (4209, 15875), (4575, 14605), (7015, 9525), (7625, 8763), (7747, 8625)]