81240393

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^2$

素因数の和:174

約数の個数: 48

約数和(自身を含む): 127403136

約数和(自身を除く): 46162743

約数列:

[1, 3, 13, 23, 39, 41, 47, 69, 123, 141, 299, 533, 611, 897, 943, 1081, 1599, 1833, 1927, 2209, 2829, 3243, 5781, 6627, 12259, 14053, 25051, 28717, 36777, 42159, 44321, 50807, 75153, 86151, 90569, 132963, 152421, 271707, 576173, 660491, 1177397, 1728519, 1981473, 2083087, 3532191, 6249261, 27080131, 81240393]

約数ペア:

[(1, 81240393), (3, 27080131), (13, 6249261), (23, 3532191), (39, 2083087), (41, 1981473), (47, 1728519), (69, 1177397), (123, 660491), (141, 576173), (299, 271707), (533, 152421), (611, 132963), (897, 90569), (943, 86151), (1081, 75153), (1599, 50807), (1833, 44321), (1927, 42159), (2209, 36777), (2829, 28717), (3243, 25051), (5781, 14053), (6627, 12259)]