17688069

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2111}}^1$

素因数の和:2150

約数の個数: 36

約数和(自身を含む): 31299840

約数和(自身を除く): 13611771

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 2111, 2793, 6333, 8379, 14777, 18999, 40109, 44331, 103439, 120327, 132993, 280763, 310317, 360981, 842289, 930951, 1965341, 2526867, 5896023, 17688069]

約数ペア:

[(1, 17688069), (3, 5896023), (7, 2526867), (9, 1965341), (19, 930951), (21, 842289), (49, 360981), (57, 310317), (63, 280763), (133, 132993), (147, 120327), (171, 103439), (399, 44331), (441, 40109), (931, 18999), (1197, 14777), (2111, 8379), (2793, 6333)]