201877011

素因数分解:

$3^2\times 7^2\times {\mathrm{229}}^1\times {\mathrm{1999}}^1$

素因数の和:2248

約数の個数: 36

約数和(自身を含む): 340860000

約数和(自身を除く): 138982989

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 229, 441, 687, 1603, 1999, 2061, 4809, 5997, 11221, 13993, 14427, 17991, 33663, 41979, 97951, 100989, 125937, 293853, 457771, 881559, 1373313, 3204397, 4119939, 9613191, 22430779, 28839573, 67292337, 201877011]

約数ペア:

[(1, 201877011), (3, 67292337), (7, 28839573), (9, 22430779), (21, 9613191), (49, 4119939), (63, 3204397), (147, 1373313), (229, 881559), (441, 457771), (687, 293853), (1603, 125937), (1999, 100989), (2061, 97951), (4809, 41979), (5997, 33663), (11221, 17991), (13993, 14427)]