26784915

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{317}}^1$

素因数の和:499

約数の個数: 32

約数和(自身を含む): 44326656

約数和(自身を除く): 17541741

約数列:

[1, 3, 5, 15, 43, 129, 131, 215, 317, 393, 645, 655, 951, 1585, 1965, 4755, 5633, 13631, 16899, 28165, 40893, 41527, 68155, 84495, 124581, 204465, 207635, 622905, 1785661, 5356983, 8928305, 26784915]

約数ペア:

[(1, 26784915), (3, 8928305), (5, 5356983), (15, 1785661), (43, 622905), (129, 207635), (131, 204465), (215, 124581), (317, 84495), (393, 68155), (645, 41527), (655, 40893), (951, 28165), (1585, 16899), (1965, 13631), (4755, 5633)]