200907921

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{2903}}^1$

素因数の和:3005

約数の個数: 32

約数和(自身を含む): 301086720

約数和(自身を除く): 100178799

約数列:

[1, 3, 17, 23, 51, 59, 69, 177, 391, 1003, 1173, 1357, 2903, 3009, 4071, 8709, 23069, 49351, 66769, 69207, 148053, 171277, 200307, 513831, 1135073, 2911709, 3405219, 3939371, 8735127, 11818113, 66969307, 200907921]

約数ペア:

[(1, 200907921), (3, 66969307), (17, 11818113), (23, 8735127), (51, 3939371), (59, 3405219), (69, 2911709), (177, 1135073), (391, 513831), (1003, 200307), (1173, 171277), (1357, 148053), (2903, 69207), (3009, 66769), (4071, 49351), (8709, 23069)]