16404885

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2741}}^1$

素因数の和:2778

約数の個数: 48

約数和(自身を含む): 34220160

約数和(自身を除く): 17815275

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 399, 665, 855, 1197, 1995, 2741, 5985, 8223, 13705, 19187, 24669, 41115, 52079, 57561, 95935, 123345, 156237, 172683, 260395, 287805, 364553, 468711, 781185, 863415, 1093659, 1822765, 2343555, 3280977, 5468295, 16404885]

約数ペア:

[(1, 16404885), (3, 5468295), (5, 3280977), (7, 2343555), (9, 1822765), (15, 1093659), (19, 863415), (21, 781185), (35, 468711), (45, 364553), (57, 287805), (63, 260395), (95, 172683), (105, 156237), (133, 123345), (171, 95935), (285, 57561), (315, 52079), (399, 41115), (665, 24669), (855, 19187), (1197, 13705), (1995, 8223), (2741, 5985)]