71780871

素因数分解:

$3^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1\times {\mathrm{593}}^1$

素因数の和:1010

約数の個数: 16

約数和(自身を含む): 96855264

約数和(自身を除く): 25074393

約数列:

[1, 3, 157, 257, 471, 593, 771, 1779, 40349, 93101, 121047, 152401, 279303, 457203, 23926957, 71780871]

約数ペア:

[(1, 71780871), (3, 23926957), (157, 457203), (257, 279303), (471, 152401), (593, 121047), (771, 93101), (1779, 40349)]