266592789

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{239}}^1\times {\mathrm{293}}^1$

素因数の和:591

約数の個数: 40

約数和(自身を含む): 409812480

約数和(自身を除く): 143219691

約数列:

[1, 3, 9, 27, 47, 81, 141, 239, 293, 423, 717, 879, 1269, 2151, 2637, 3807, 6453, 7911, 11233, 13771, 19359, 23733, 33699, 41313, 70027, 101097, 123939, 210081, 303291, 371817, 630243, 909873, 1115451, 1890729, 3291269, 5672187, 9873807, 29621421, 88864263, 266592789]

約数ペア:

[(1, 266592789), (3, 88864263), (9, 29621421), (27, 9873807), (47, 5672187), (81, 3291269), (141, 1890729), (239, 1115451), (293, 909873), (423, 630243), (717, 371817), (879, 303291), (1269, 210081), (2151, 123939), (2637, 101097), (3807, 70027), (6453, 41313), (7911, 33699), (11233, 23733), (13771, 19359)]