31235265

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{293}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 57238272

約数和(自身を除く): 26003007

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 103, 115, 207, 293, 309, 345, 515, 879, 927, 1035, 1465, 1545, 2369, 2637, 4395, 4635, 6739, 7107, 11845, 13185, 20217, 21321, 30179, 33695, 35535, 60651, 90537, 101085, 106605, 150895, 271611, 303255, 452685, 694117, 1358055, 2082351, 3470585, 6247053, 10411755, 31235265]

約数ペア:

[(1, 31235265), (3, 10411755), (5, 6247053), (9, 3470585), (15, 2082351), (23, 1358055), (45, 694117), (69, 452685), (103, 303255), (115, 271611), (207, 150895), (293, 106605), (309, 101085), (345, 90537), (515, 60651), (879, 35535), (927, 33695), (1035, 30179), (1465, 21321), (1545, 20217), (2369, 13185), (2637, 11845), (4395, 7107), (4635, 6739)]