31036815

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1399}}^1$

素因数の和:1456

約数の個数: 48

約数和(自身を含む): 58968000

約数和(自身を除く): 27931185

約数列:

[1, 3, 5, 9, 15, 17, 29, 45, 51, 85, 87, 145, 153, 255, 261, 435, 493, 765, 1305, 1399, 1479, 2465, 4197, 4437, 6995, 7395, 12591, 20985, 22185, 23783, 40571, 62955, 71349, 118915, 121713, 202855, 214047, 356745, 365139, 608565, 689707, 1070235, 1825695, 2069121, 3448535, 6207363, 10345605, 31036815]

約数ペア:

[(1, 31036815), (3, 10345605), (5, 6207363), (9, 3448535), (15, 2069121), (17, 1825695), (29, 1070235), (45, 689707), (51, 608565), (85, 365139), (87, 356745), (145, 214047), (153, 202855), (255, 121713), (261, 118915), (435, 71349), (493, 62955), (765, 40571), (1305, 23783), (1399, 22185), (1479, 20985), (2465, 12591), (4197, 7395), (4437, 6995)]