31957263

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{16067}}^1$

素因数の和:16103

約数の個数: 24

約数和(自身を含む): 52638768

約数和(自身を除く): 20681505

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 16067, 48201, 144603, 208871, 273139, 626613, 819417, 1879839, 2458251, 3550807, 10652421, 31957263]

約数ペア:

[(1, 31957263), (3, 10652421), (9, 3550807), (13, 2458251), (17, 1879839), (39, 819417), (51, 626613), (117, 273139), (153, 208871), (221, 144603), (663, 48201), (1989, 16067)]