16907919

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1$

素因数の和:335

約数の個数: 32

約数和(自身を含む): 26712576

約数和(自身を除く): 9804657

約数列:

[1, 3, 7, 21, 61, 67, 183, 197, 201, 427, 469, 591, 1281, 1379, 1407, 4087, 4137, 12017, 12261, 13199, 28609, 36051, 39597, 84119, 85827, 92393, 252357, 277179, 805139, 2415417, 5635973, 16907919]

約数ペア:

[(1, 16907919), (3, 5635973), (7, 2415417), (21, 805139), (61, 277179), (67, 252357), (183, 92393), (197, 85827), (201, 84119), (427, 39597), (469, 36051), (591, 28609), (1281, 13199), (1379, 12261), (1407, 12017), (4087, 4137)]