188903085

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{43}}^2\times {\mathrm{139}}^1$

素因数の和:247

約数の個数: 72

約数和(自身を含む): 362547360

約数和(自身を除く): 173644275

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 49, 105, 129, 139, 147, 215, 245, 301, 417, 645, 695, 735, 903, 973, 1505, 1849, 2085, 2107, 2919, 4515, 4865, 5547, 5977, 6321, 6811, 9245, 10535, 12943, 14595, 17931, 20433, 27735, 29885, 31605, 34055, 38829, 41839, 64715, 89655, 90601, 102165, 125517, 194145, 209195, 257011, 271803, 292873, 453005, 627585, 771033, 878619, 1285055, 1359015, 1464365, 1799077, 3855165, 4393095, 5397231, 8995385, 12593539, 26986155, 37780617, 62967695, 188903085]

約数ペア:

[(1, 188903085), (3, 62967695), (5, 37780617), (7, 26986155), (15, 12593539), (21, 8995385), (35, 5397231), (43, 4393095), (49, 3855165), (105, 1799077), (129, 1464365), (139, 1359015), (147, 1285055), (215, 878619), (245, 771033), (301, 627585), (417, 453005), (645, 292873), (695, 271803), (735, 257011), (903, 209195), (973, 194145), (1505, 125517), (1849, 102165), (2085, 90601), (2107, 89655), (2919, 64715), (4515, 41839), (4865, 38829), (5547, 34055), (5977, 31605), (6321, 29885), (6811, 27735), (9245, 20433), (10535, 17931), (12943, 14595)]