164865495

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 280304640

約数和(自身を除く): 115439145

約数列:

[1, 3, 5, 15, 23, 69, 79, 115, 237, 263, 345, 395, 529, 789, 1185, 1315, 1587, 1817, 2645, 3945, 5451, 6049, 7935, 9085, 18147, 20777, 27255, 30245, 41791, 62331, 90735, 103885, 125373, 139127, 208955, 311655, 417381, 477871, 626865, 695635, 1433613, 2086905, 2389355, 7168065, 10991033, 32973099, 54955165, 164865495]

約数ペア:

[(1, 164865495), (3, 54955165), (5, 32973099), (15, 10991033), (23, 7168065), (69, 2389355), (79, 2086905), (115, 1433613), (237, 695635), (263, 626865), (345, 477871), (395, 417381), (529, 311655), (789, 208955), (1185, 139127), (1315, 125373), (1587, 103885), (1817, 90735), (2645, 62331), (3945, 41791), (5451, 30245), (6049, 27255), (7935, 20777), (9085, 18147)]