18072513

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:174

約数の個数: 48

約数和(自身を含む): 29405376

約数和(自身を除く): 11332863

約数列:

[1, 3, 9, 17, 41, 43, 51, 67, 123, 129, 153, 201, 369, 387, 603, 697, 731, 1139, 1763, 2091, 2193, 2747, 2881, 3417, 5289, 6273, 6579, 8241, 8643, 10251, 15867, 24723, 25929, 29971, 46699, 48977, 89913, 118121, 140097, 146931, 269739, 354363, 420291, 440793, 1063089, 2008057, 6024171, 18072513]

約数ペア:

[(1, 18072513), (3, 6024171), (9, 2008057), (17, 1063089), (41, 440793), (43, 420291), (51, 354363), (67, 269739), (123, 146931), (129, 140097), (153, 118121), (201, 89913), (369, 48977), (387, 46699), (603, 29971), (697, 25929), (731, 24723), (1139, 15867), (1763, 10251), (2091, 8643), (2193, 8241), (2747, 6579), (2881, 6273), (3417, 5289)]