31609110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{81049}}^1$

素因数の和:81072

約数の個数: 32

約数和(自身を含む): 81698400

約数和(自身を除く): 50089290

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 81049, 162098, 243147, 405245, 486294, 810490, 1053637, 1215735, 2107274, 2431470, 3160911, 5268185, 6321822, 10536370, 15804555, 31609110]

約数ペア:

[(1, 31609110), (2, 15804555), (3, 10536370), (5, 6321822), (6, 5268185), (10, 3160911), (13, 2431470), (15, 2107274), (26, 1215735), (30, 1053637), (39, 810490), (65, 486294), (78, 405245), (130, 243147), (195, 162098), (390, 81049)]