15993531

素因数分解:

$3^7\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:195

約数の個数: 32

約数和(自身を含む): 24560640

約数和(自身を除く): 8567109

約数列:

[1, 3, 9, 27, 71, 81, 103, 213, 243, 309, 639, 729, 927, 1917, 2187, 2781, 5751, 7313, 8343, 17253, 21939, 25029, 51759, 65817, 75087, 155277, 197451, 225261, 592353, 1777059, 5331177, 15993531]

約数ペア:

[(1, 15993531), (3, 5331177), (9, 1777059), (27, 592353), (71, 225261), (81, 197451), (103, 155277), (213, 75087), (243, 65817), (309, 51759), (639, 25029), (729, 21939), (927, 17253), (1917, 8343), (2187, 7313), (2781, 5751)]