15721421109

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{2791}}^1$

素因数の和:2990

約数の個数: 48

約数和(自身を含む): 22834316160

約数和(自身を除く): 7112895051

約数列:

[1, 3, 17, 51, 73, 89, 219, 267, 289, 867, 1241, 1513, 2791, 3723, 4539, 6497, 8373, 19491, 21097, 25721, 47447, 63291, 77163, 110449, 142341, 203743, 248399, 331347, 611229, 745197, 806599, 1877633, 2419797, 3463631, 4222783, 5632899, 10390893, 12668349, 18133127, 54399381, 58881727, 71787311, 176645181, 215361933, 308263159, 924789477, 5240473703, 15721421109]

約数ペア:

[(1, 15721421109), (3, 5240473703), (17, 924789477), (51, 308263159), (73, 215361933), (89, 176645181), (219, 71787311), (267, 58881727), (289, 54399381), (867, 18133127), (1241, 12668349), (1513, 10390893), (2791, 5632899), (3723, 4222783), (4539, 3463631), (6497, 2419797), (8373, 1877633), (19491, 806599), (21097, 745197), (25721, 611229), (47447, 331347), (63291, 248399), (77163, 203743), (110449, 142341)]