201380823

素因数分解:

$3^4\times 7^1\times {\mathrm{173}}^1\times {\mathrm{2053}}^1$

素因数の和:2245

約数の個数: 40

約数和(自身を含む): 345959328

約数和(自身を除く): 144578505

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 173, 189, 519, 567, 1211, 1557, 2053, 3633, 4671, 6159, 10899, 14013, 14371, 18477, 32697, 43113, 55431, 98091, 129339, 166293, 355169, 388017, 1065507, 1164051, 2486183, 3196521, 7458549, 9589563, 22375647, 28768689, 67126941, 201380823]

約数ペア:

[(1, 201380823), (3, 67126941), (7, 28768689), (9, 22375647), (21, 9589563), (27, 7458549), (63, 3196521), (81, 2486183), (173, 1164051), (189, 1065507), (519, 388017), (567, 355169), (1211, 166293), (1557, 129339), (2053, 98091), (3633, 55431), (4671, 43113), (6159, 32697), (10899, 18477), (14013, 14371)]