27799947

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{257}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 49263552

約数和(自身を除く): 21463605

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 101, 119, 153, 257, 303, 357, 707, 771, 909, 1071, 1717, 1799, 2121, 2313, 4369, 5151, 5397, 6363, 12019, 13107, 15453, 16191, 25957, 30583, 36057, 39321, 77871, 91749, 108171, 181699, 233613, 275247, 441269, 545097, 1323807, 1635291, 3088883, 3971421, 9266649, 27799947]

約数ペア:

[(1, 27799947), (3, 9266649), (7, 3971421), (9, 3088883), (17, 1635291), (21, 1323807), (51, 545097), (63, 441269), (101, 275247), (119, 233613), (153, 181699), (257, 108171), (303, 91749), (357, 77871), (707, 39321), (771, 36057), (909, 30583), (1071, 25957), (1717, 16191), (1799, 15453), (2121, 13107), (2313, 12019), (4369, 6363), (5151, 5397)]