221808387

素因数分解:

$3^1\times {\mathrm{179}}^1\times {\mathrm{317}}^1\times {\mathrm{1303}}^1$

素因数の和:1802

約数の個数: 16

約数和(自身を含む): 298563840

約数和(自身を除く): 76755453

約数列:

[1, 3, 179, 317, 537, 951, 1303, 3909, 56743, 170229, 233237, 413051, 699711, 1239153, 73936129, 221808387]

約数ペア:

[(1, 221808387), (3, 73936129), (179, 1239153), (317, 699711), (537, 413051), (951, 233237), (1303, 170229), (3909, 56743)]