17886429

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 30588480

約数和(自身を除く): 12702051

約数列:

[1, 3, 9, 11, 19, 33, 37, 57, 99, 111, 171, 209, 257, 333, 407, 627, 703, 771, 1221, 1881, 2109, 2313, 2827, 3663, 4883, 6327, 7733, 8481, 9509, 14649, 23199, 25443, 28527, 43947, 53713, 69597, 85581, 104599, 161139, 180671, 313797, 483417, 542013, 941391, 1626039, 1987381, 5962143, 17886429]

約数ペア:

[(1, 17886429), (3, 5962143), (9, 1987381), (11, 1626039), (19, 941391), (33, 542013), (37, 483417), (57, 313797), (99, 180671), (111, 161139), (171, 104599), (209, 85581), (257, 69597), (333, 53713), (407, 43947), (627, 28527), (703, 25443), (771, 23199), (1221, 14649), (1881, 9509), (2109, 8481), (2313, 7733), (2827, 6327), (3663, 4883)]