4020555

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^2$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 8158464

約数和(自身を除く): 4137909

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 59, 77, 105, 165, 177, 231, 295, 385, 413, 649, 885, 1155, 1239, 1947, 2065, 3245, 3481, 4543, 6195, 9735, 10443, 13629, 17405, 22715, 24367, 38291, 52215, 68145, 73101, 114873, 121835, 191455, 268037, 365505, 574365, 804111, 1340185, 4020555]

約数ペア:

[(1, 4020555), (3, 1340185), (5, 804111), (7, 574365), (11, 365505), (15, 268037), (21, 191455), (33, 121835), (35, 114873), (55, 73101), (59, 68145), (77, 52215), (105, 38291), (165, 24367), (177, 22715), (231, 17405), (295, 13629), (385, 10443), (413, 9735), (649, 6195), (885, 4543), (1155, 3481), (1239, 3245), (1947, 2065)]