71618847

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1$

素因数の和:383

約数の個数: 32

約数和(自身を含む): 103749120

約数和(自身を除く): 32130273

約数列:

[1, 3, 19, 53, 57, 151, 157, 159, 453, 471, 1007, 2869, 2983, 3021, 8003, 8321, 8607, 8949, 23707, 24009, 24963, 71121, 152057, 158099, 450433, 456171, 474297, 1256471, 1351299, 3769413, 23872949, 71618847]

約数ペア:

[(1, 71618847), (3, 23872949), (19, 3769413), (53, 1351299), (57, 1256471), (151, 474297), (157, 456171), (159, 450433), (453, 158099), (471, 152057), (1007, 71121), (2869, 24963), (2983, 24009), (3021, 23707), (8003, 8949), (8321, 8607)]