210801987

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{19183}}^1$

素因数の和:19240

約数の個数: 32

約数和(自身を含む): 349916160

約数和(自身を除く): 139114173

約数列:

[1, 3, 9, 11, 27, 33, 37, 99, 111, 297, 333, 407, 999, 1221, 3663, 10989, 19183, 57549, 172647, 211013, 517941, 633039, 709771, 1899117, 2129313, 5697351, 6387939, 7807481, 19163817, 23422443, 70267329, 210801987]

約数ペア:

[(1, 210801987), (3, 70267329), (9, 23422443), (11, 19163817), (27, 7807481), (33, 6387939), (37, 5697351), (99, 2129313), (111, 1899117), (297, 709771), (333, 633039), (407, 517941), (999, 211013), (1221, 172647), (3663, 57549), (10989, 19183)]