16642689

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{787}}^1$

素因数の和:869

約数の個数: 32

約数和(自身を含む): 27233280

約数和(自身を除く): 10590591

約数列:

[1, 3, 7, 19, 21, 53, 57, 133, 159, 371, 399, 787, 1007, 1113, 2361, 3021, 5509, 7049, 14953, 16527, 21147, 41711, 44859, 104671, 125133, 291977, 314013, 792509, 875931, 2377527, 5547563, 16642689]

約数ペア:

[(1, 16642689), (3, 5547563), (7, 2377527), (19, 875931), (21, 792509), (53, 314013), (57, 291977), (133, 125133), (159, 104671), (371, 44859), (399, 41711), (787, 21147), (1007, 16527), (1113, 14953), (2361, 7049), (3021, 5509)]