71974539

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{87881}}^1$

素因数の和:87907

約数の個数: 24

約数和(自身を含む): 127956192

約数和(自身を除く): 55981653

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 87881, 263643, 615167, 790929, 1142453, 1845501, 3427359, 5536503, 7997171, 10282077, 23991513, 71974539]

約数ペア:

[(1, 71974539), (3, 23991513), (7, 10282077), (9, 7997171), (13, 5536503), (21, 3427359), (39, 1845501), (63, 1142453), (91, 790929), (117, 615167), (273, 263643), (819, 87881)]