31113825

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1061}}^1$

素因数の和:1114

約数の個数: 48

約数和(自身を含む): 56889216

約数和(自身を除く): 25775391

約数列:

[1, 3, 5, 15, 17, 23, 25, 51, 69, 75, 85, 115, 255, 345, 391, 425, 575, 1061, 1173, 1275, 1725, 1955, 3183, 5305, 5865, 9775, 15915, 18037, 24403, 26525, 29325, 54111, 73209, 79575, 90185, 122015, 270555, 366045, 414851, 450925, 610075, 1244553, 1352775, 1830225, 2074255, 6222765, 10371275, 31113825]

約数ペア:

[(1, 31113825), (3, 10371275), (5, 6222765), (15, 2074255), (17, 1830225), (23, 1352775), (25, 1244553), (51, 610075), (69, 450925), (75, 414851), (85, 366045), (115, 270555), (255, 122015), (345, 90185), (391, 79575), (425, 73209), (575, 54111), (1061, 29325), (1173, 26525), (1275, 24403), (1725, 18037), (1955, 15915), (3183, 9775), (5305, 5865)]