17979795

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1237}}^1$

素因数の和:1284

約数の個数: 48

約数和(自身を含む): 34763040

約数和(自身を除く): 16783245

約数列:

[1, 3, 5, 9, 15, 17, 19, 45, 51, 57, 85, 95, 153, 171, 255, 285, 323, 765, 855, 969, 1237, 1615, 2907, 3711, 4845, 6185, 11133, 14535, 18555, 21029, 23503, 55665, 63087, 70509, 105145, 117515, 189261, 211527, 315435, 352545, 399551, 946305, 1057635, 1198653, 1997755, 3595959, 5993265, 17979795]

約数ペア:

[(1, 17979795), (3, 5993265), (5, 3595959), (9, 1997755), (15, 1198653), (17, 1057635), (19, 946305), (45, 399551), (51, 352545), (57, 315435), (85, 211527), (95, 189261), (153, 117515), (171, 105145), (255, 70509), (285, 63087), (323, 55665), (765, 23503), (855, 21029), (969, 18555), (1237, 14535), (1615, 11133), (2907, 6185), (3711, 4845)]