38780145

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{311}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 71839872

約数和(自身を除く): 33059727

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 163, 255, 311, 489, 765, 815, 933, 1467, 1555, 2445, 2771, 2799, 4665, 5287, 7335, 8313, 13855, 13995, 15861, 24939, 26435, 41565, 47583, 50693, 79305, 124695, 152079, 237915, 253465, 456237, 760395, 861781, 2281185, 2585343, 4308905, 7756029, 12926715, 38780145]

約数ペア:

[(1, 38780145), (3, 12926715), (5, 7756029), (9, 4308905), (15, 2585343), (17, 2281185), (45, 861781), (51, 760395), (85, 456237), (153, 253465), (163, 237915), (255, 152079), (311, 124695), (489, 79305), (765, 50693), (815, 47583), (933, 41565), (1467, 26435), (1555, 24939), (2445, 15861), (2771, 13995), (2799, 13855), (4665, 8313), (5287, 7335)]