16948893

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 26006400

約数和(自身を除く): 9057507

約数列:

[1, 3, 13, 19, 39, 57, 89, 247, 257, 267, 741, 771, 1157, 1691, 3341, 3471, 4883, 5073, 10023, 14649, 21983, 22873, 63479, 65949, 68619, 190437, 297349, 434587, 892047, 1303761, 5649631, 16948893]

約数ペア:

[(1, 16948893), (3, 5649631), (13, 1303761), (19, 892047), (39, 434587), (57, 297349), (89, 190437), (247, 68619), (257, 65949), (267, 63479), (741, 22873), (771, 21983), (1157, 14649), (1691, 10023), (3341, 5073), (3471, 4883)]