215214927

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{929}}^1$

素因数の和:1063

約数の個数: 32

約数和(自身を含む): 308551680

約数和(自身を除く): 93336753

約数列:

[1, 3, 31, 47, 53, 93, 141, 159, 929, 1457, 1643, 2491, 2787, 4371, 4929, 7473, 28799, 43663, 49237, 77221, 86397, 130989, 147711, 231663, 1353553, 1526347, 2314139, 4060659, 4579041, 6942417, 71738309, 215214927]

約数ペア:

[(1, 215214927), (3, 71738309), (31, 6942417), (47, 4579041), (53, 4060659), (93, 2314139), (141, 1526347), (159, 1353553), (929, 231663), (1457, 147711), (1643, 130989), (2491, 86397), (2787, 77221), (4371, 49237), (4929, 43663), (7473, 28799)]