72990381

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{653}}^1$

素因数の和:765

約数の個数: 32

約数和(自身を含む): 107360640

約数和(自身を除く): 34370259

約数列:

[1, 3, 19, 37, 53, 57, 111, 159, 653, 703, 1007, 1959, 1961, 2109, 3021, 5883, 12407, 24161, 34609, 37221, 37259, 72483, 103827, 111777, 459059, 657571, 1280533, 1377177, 1972713, 3841599, 24330127, 72990381]

約数ペア:

[(1, 72990381), (3, 24330127), (19, 3841599), (37, 1972713), (53, 1377177), (57, 1280533), (111, 657571), (159, 459059), (653, 111777), (703, 103827), (1007, 72483), (1959, 37259), (1961, 37221), (2109, 34609), (3021, 24161), (5883, 12407)]