17499987

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4973}}^1$

素因数の和:5019

約数の個数: 24

約数和(自身を含む): 27933984

約数和(自身を除く): 10433997

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 4973, 14919, 44757, 84541, 114379, 253623, 343137, 760869, 1029411, 1944443, 5833329, 17499987]

約数ペア:

[(1, 17499987), (3, 5833329), (9, 1944443), (17, 1029411), (23, 760869), (51, 343137), (69, 253623), (153, 114379), (207, 84541), (391, 44757), (1173, 14919), (3519, 4973)]