71005923

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{37}}^2\times {\mathrm{113}}^1$

素因数の和:213

約数の個数: 48

約数和(自身を含む): 115486560

約数和(自身を除く): 44480637

約数列:

[1, 3, 9, 17, 27, 37, 51, 111, 113, 153, 333, 339, 459, 629, 999, 1017, 1369, 1887, 1921, 3051, 4107, 4181, 5661, 5763, 12321, 12543, 16983, 17289, 23273, 36963, 37629, 51867, 69819, 71077, 112887, 154697, 209457, 213231, 464091, 628371, 639693, 1392273, 1919079, 2629849, 4176819, 7889547, 23668641, 71005923]

約数ペア:

[(1, 71005923), (3, 23668641), (9, 7889547), (17, 4176819), (27, 2629849), (37, 1919079), (51, 1392273), (111, 639693), (113, 628371), (153, 464091), (333, 213231), (339, 209457), (459, 154697), (629, 112887), (999, 71077), (1017, 69819), (1369, 51867), (1887, 37629), (1921, 36963), (3051, 23273), (4107, 17289), (4181, 16983), (5661, 12543), (5763, 12321)]