28103769

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{991}}^1$

素因数の和:1157

約数の個数: 24

約数和(自身を含む): 42711552

約数和(自身を除く): 14607783

約数列:

[1, 3, 9, 23, 69, 137, 207, 411, 991, 1233, 2973, 3151, 8919, 9453, 22793, 28359, 68379, 135767, 205137, 407301, 1221903, 3122641, 9367923, 28103769]

約数ペア:

[(1, 28103769), (3, 9367923), (9, 3122641), (23, 1221903), (69, 407301), (137, 205137), (207, 135767), (411, 68379), (991, 28359), (1233, 22793), (2973, 9453), (3151, 8919)]