38954775

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 67567104

約数和(自身を除く): 28612329

約数列:

[1, 3, 5, 15, 25, 43, 47, 75, 129, 141, 215, 235, 257, 645, 705, 771, 1075, 1175, 1285, 2021, 3225, 3525, 3855, 6063, 6425, 10105, 11051, 12079, 19275, 30315, 33153, 36237, 50525, 55255, 60395, 151575, 165765, 181185, 276275, 301975, 519397, 828825, 905925, 1558191, 2596985, 7790955, 12984925, 38954775]

約数ペア:

[(1, 38954775), (3, 12984925), (5, 7790955), (15, 2596985), (25, 1558191), (43, 905925), (47, 828825), (75, 519397), (129, 301975), (141, 276275), (215, 181185), (235, 165765), (257, 151575), (645, 60395), (705, 55255), (771, 50525), (1075, 36237), (1175, 33153), (1285, 30315), (2021, 19275), (3225, 12079), (3525, 11051), (3855, 10105), (6063, 6425)]