27789465

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 49871808

約数和(自身を除く): 22082343

約数列:

[1, 3, 5, 11, 15, 33, 55, 61, 121, 165, 183, 251, 305, 363, 605, 671, 753, 915, 1255, 1815, 2013, 2761, 3355, 3765, 7381, 8283, 10065, 13805, 15311, 22143, 30371, 36905, 41415, 45933, 76555, 91113, 110715, 151855, 168421, 229665, 455565, 505263, 842105, 1852631, 2526315, 5557893, 9263155, 27789465]

約数ペア:

[(1, 27789465), (3, 9263155), (5, 5557893), (11, 2526315), (15, 1852631), (33, 842105), (55, 505263), (61, 455565), (121, 229665), (165, 168421), (183, 151855), (251, 110715), (305, 91113), (363, 76555), (605, 45933), (671, 41415), (753, 36905), (915, 30371), (1255, 22143), (1815, 15311), (2013, 13805), (2761, 10065), (3355, 8283), (3765, 7381)]