27688563

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 49061376

約数和(自身を除く): 21372813

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 103, 119, 153, 251, 309, 357, 721, 753, 927, 1071, 1751, 1757, 2163, 2259, 4267, 5253, 5271, 6489, 12257, 12801, 15759, 15813, 25853, 29869, 36771, 38403, 77559, 89607, 110313, 180971, 232677, 268821, 439501, 542913, 1318503, 1628739, 3076507, 3955509, 9229521, 27688563]

約数ペア:

[(1, 27688563), (3, 9229521), (7, 3955509), (9, 3076507), (17, 1628739), (21, 1318503), (51, 542913), (63, 439501), (103, 268821), (119, 232677), (153, 180971), (251, 110313), (309, 89607), (357, 77559), (721, 38403), (753, 36771), (927, 29869), (1071, 25853), (1751, 15813), (1757, 15759), (2163, 12801), (2259, 12257), (4267, 6489), (5253, 5271)]