4990227

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:179

約数の個数: 32

約数和(自身を含む): 7689984

約数和(自身を除く): 2699757

約数列:

[1, 3, 11, 33, 37, 61, 67, 111, 183, 201, 407, 671, 737, 1221, 2013, 2211, 2257, 2479, 4087, 6771, 7437, 12261, 24827, 27269, 44957, 74481, 81807, 134871, 151219, 453657, 1663409, 4990227]

約数ペア:

[(1, 4990227), (3, 1663409), (11, 453657), (33, 151219), (37, 134871), (61, 81807), (67, 74481), (111, 44957), (183, 27269), (201, 24827), (407, 12261), (671, 7437), (737, 6771), (1221, 4087), (2013, 2479), (2211, 2257)]