2100231

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:120

約数の個数: 48

約数和(自身を含む): 3841344

約数和(自身を除く): 1741113

約数列:

[1, 3, 7, 9, 17, 21, 37, 51, 53, 63, 111, 119, 153, 159, 259, 333, 357, 371, 477, 629, 777, 901, 1071, 1113, 1887, 1961, 2331, 2703, 3339, 4403, 5661, 5883, 6307, 8109, 13209, 13727, 17649, 18921, 33337, 39627, 41181, 56763, 100011, 123543, 233359, 300033, 700077, 2100231]

約数ペア:

[(1, 2100231), (3, 700077), (7, 300033), (9, 233359), (17, 123543), (21, 100011), (37, 56763), (51, 41181), (53, 39627), (63, 33337), (111, 18921), (119, 17649), (153, 13727), (159, 13209), (259, 8109), (333, 6307), (357, 5883), (371, 5661), (477, 4403), (629, 3339), (777, 2703), (901, 2331), (1071, 1961), (1113, 1887)]