210995715

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{257}}^1\times {\mathrm{1117}}^1$

素因数の和:1396

約数の個数: 48

約数和(自身を含む): 394591392

約数和(自身を除く): 183595677

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 257, 735, 771, 1117, 1285, 1799, 3351, 3855, 5397, 5585, 7819, 8995, 12593, 16755, 23457, 26985, 37779, 39095, 54733, 62965, 117285, 164199, 188895, 273665, 287069, 820995, 861207, 1435345, 2009483, 4306035, 6028449, 10047415, 14066381, 30142245, 42199143, 70331905, 210995715]

約数ペア:

[(1, 210995715), (3, 70331905), (5, 42199143), (7, 30142245), (15, 14066381), (21, 10047415), (35, 6028449), (49, 4306035), (105, 2009483), (147, 1435345), (245, 861207), (257, 820995), (735, 287069), (771, 273665), (1117, 188895), (1285, 164199), (1799, 117285), (3351, 62965), (3855, 54733), (5397, 39095), (5585, 37779), (7819, 26985), (8995, 23457), (12593, 16755)]