287866275

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{1531}}^1$

素因数の和:1676

約数の個数: 48

約数和(自身を含む): 501515520

約数和(自身を除く): 213649245

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 109, 115, 327, 345, 545, 575, 1531, 1635, 1725, 2507, 2725, 4593, 7521, 7655, 8175, 12535, 22965, 35213, 37605, 38275, 62675, 105639, 114825, 166879, 176065, 188025, 500637, 528195, 834395, 880325, 2503185, 2640975, 3838217, 4171975, 11514651, 12515925, 19191085, 57573255, 95955425, 287866275]

約数ペア:

[(1, 287866275), (3, 95955425), (5, 57573255), (15, 19191085), (23, 12515925), (25, 11514651), (69, 4171975), (75, 3838217), (109, 2640975), (115, 2503185), (327, 880325), (345, 834395), (545, 528195), (575, 500637), (1531, 188025), (1635, 176065), (1725, 166879), (2507, 114825), (2725, 105639), (4593, 62675), (7521, 38275), (7655, 37605), (8175, 35213), (12535, 22965)]