30751665

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:211

約数の個数: 64

約数和(自身を含む): 59136000

約数和(自身を除く): 28384335

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 49, 105, 129, 139, 147, 215, 245, 301, 343, 417, 645, 695, 735, 903, 973, 1029, 1505, 1715, 2085, 2107, 2919, 4515, 4865, 5145, 5977, 6321, 6811, 10535, 14595, 14749, 17931, 20433, 29885, 31605, 34055, 41839, 44247, 47677, 73745, 89655, 102165, 125517, 143031, 209195, 221235, 238385, 292873, 627585, 715155, 878619, 1464365, 2050111, 4393095, 6150333, 10250555, 30751665]

約数ペア:

[(1, 30751665), (3, 10250555), (5, 6150333), (7, 4393095), (15, 2050111), (21, 1464365), (35, 878619), (43, 715155), (49, 627585), (105, 292873), (129, 238385), (139, 221235), (147, 209195), (215, 143031), (245, 125517), (301, 102165), (343, 89655), (417, 73745), (645, 47677), (695, 44247), (735, 41839), (903, 34055), (973, 31605), (1029, 29885), (1505, 20433), (1715, 17931), (2085, 14749), (2107, 14595), (2919, 10535), (4515, 6811), (4865, 6321), (5145, 5977)]