31368825

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:231

約数の個数: 72

約数和(自身を含む): 60933600

約数和(自身を除く): 29564775

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 59, 75, 85, 139, 153, 177, 225, 255, 295, 417, 425, 531, 695, 765, 885, 1003, 1251, 1275, 1475, 2085, 2363, 2655, 3009, 3475, 3825, 4425, 5015, 6255, 7089, 8201, 9027, 10425, 11815, 13275, 15045, 21267, 24603, 25075, 31275, 35445, 41005, 45135, 59075, 73809, 75225, 106335, 123015, 139417, 177225, 205025, 225675, 369045, 418251, 531675, 615075, 697085, 1254753, 1845225, 2091255, 3485425, 6273765, 10456275, 31368825]

約数ペア:

[(1, 31368825), (3, 10456275), (5, 6273765), (9, 3485425), (15, 2091255), (17, 1845225), (25, 1254753), (45, 697085), (51, 615075), (59, 531675), (75, 418251), (85, 369045), (139, 225675), (153, 205025), (177, 177225), (225, 139417), (255, 123015), (295, 106335), (417, 75225), (425, 73809), (531, 59075), (695, 45135), (765, 41005), (885, 35445), (1003, 31275), (1251, 25075), (1275, 24603), (1475, 21267), (2085, 15045), (2363, 13275), (2655, 11815), (3009, 10425), (3475, 9027), (3825, 8201), (4425, 7089), (5015, 6255)]