31149015

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 56733696

約数和(自身を除く): 25584681

約数列:

[1, 3, 5, 15, 17, 23, 47, 51, 69, 85, 113, 115, 141, 235, 255, 339, 345, 391, 565, 705, 799, 1081, 1173, 1695, 1921, 1955, 2397, 2599, 3243, 3995, 5311, 5405, 5763, 5865, 7797, 9605, 11985, 12995, 15933, 16215, 18377, 26555, 28815, 38985, 44183, 55131, 79665, 90287, 91885, 122153, 132549, 220915, 270861, 275655, 366459, 451435, 610765, 662745, 1354305, 1832295, 2076601, 6229803, 10383005, 31149015]

約数ペア:

[(1, 31149015), (3, 10383005), (5, 6229803), (15, 2076601), (17, 1832295), (23, 1354305), (47, 662745), (51, 610765), (69, 451435), (85, 366459), (113, 275655), (115, 270861), (141, 220915), (235, 132549), (255, 122153), (339, 91885), (345, 90287), (391, 79665), (565, 55131), (705, 44183), (799, 38985), (1081, 28815), (1173, 26555), (1695, 18377), (1921, 16215), (1955, 15933), (2397, 12995), (2599, 11985), (3243, 9605), (3995, 7797), (5311, 5865), (5405, 5763)]