13778541

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 24470784

約数和(自身を除く): 10692243

約数列:

[1, 3, 7, 9, 21, 23, 37, 63, 69, 111, 161, 207, 257, 259, 333, 483, 771, 777, 851, 1449, 1799, 2313, 2331, 2553, 5397, 5911, 5957, 7659, 9509, 16191, 17733, 17871, 28527, 41377, 53199, 53613, 66563, 85581, 124131, 199689, 218707, 372393, 599067, 656121, 1530949, 1968363, 4592847, 13778541]

約数ペア:

[(1, 13778541), (3, 4592847), (7, 1968363), (9, 1530949), (21, 656121), (23, 599067), (37, 372393), (63, 218707), (69, 199689), (111, 124131), (161, 85581), (207, 66563), (257, 53613), (259, 53199), (333, 41377), (483, 28527), (771, 17871), (777, 17733), (851, 16191), (1449, 9509), (1799, 7659), (2313, 5957), (2331, 5911), (2553, 5397)]