187889793

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{1321}}^1$

素因数の和:1865

約数の個数: 32

約数和(自身を含む): 309157632

約数和(自身を除く): 121267839

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 521, 1321, 1563, 3647, 3963, 6773, 9247, 10941, 17173, 20319, 27741, 47411, 51519, 120211, 142233, 360633, 688241, 2064723, 4817687, 8947133, 14453061, 26841399, 62629931, 187889793]

約数ペア:

[(1, 187889793), (3, 62629931), (7, 26841399), (13, 14453061), (21, 8947133), (39, 4817687), (91, 2064723), (273, 688241), (521, 360633), (1321, 142233), (1563, 120211), (3647, 51519), (3963, 47411), (6773, 27741), (9247, 20319), (10941, 17173)]