2118879

素因数分解:

$3^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:157

約数の個数: 40

約数和(自身を含む): 3751968

約数和(自身を除く): 1633089

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 81, 101, 111, 189, 259, 303, 333, 567, 707, 777, 909, 999, 2121, 2331, 2727, 2997, 3737, 6363, 6993, 8181, 11211, 19089, 20979, 26159, 33633, 57267, 78477, 100899, 235431, 302697, 706293, 2118879]

約数ペア:

[(1, 2118879), (3, 706293), (7, 302697), (9, 235431), (21, 100899), (27, 78477), (37, 57267), (63, 33633), (81, 26159), (101, 20979), (111, 19089), (189, 11211), (259, 8181), (303, 6993), (333, 6363), (567, 3737), (707, 2997), (777, 2727), (909, 2331), (999, 2121)]