42740271

素因数分解:

$3^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2239}}^1$

素因数の和:2356

約数の個数: 32

約数和(自身を含む): 73113600

約数和(自身を除く): 30373329

約数列:

[1, 3, 7, 9, 21, 27, 63, 101, 189, 303, 707, 909, 2121, 2239, 2727, 6363, 6717, 15673, 19089, 20151, 47019, 60453, 141057, 226139, 423171, 678417, 1582973, 2035251, 4748919, 6105753, 14246757, 42740271]

約数ペア:

[(1, 42740271), (3, 14246757), (7, 6105753), (9, 4748919), (21, 2035251), (27, 1582973), (63, 678417), (101, 423171), (189, 226139), (303, 141057), (707, 60453), (909, 47019), (2121, 20151), (2239, 19089), (2727, 15673), (6363, 6717)]