31191345

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13591}}^1$

素因数の和:13622

約数の個数: 32

約数和(自身を含む): 58717440

約数和(自身を除く): 27526095

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 13591, 40773, 67955, 122319, 203865, 231047, 366957, 611595, 693141, 1155235, 1834785, 2079423, 3465705, 6238269, 10397115, 31191345]

約数ペア:

[(1, 31191345), (3, 10397115), (5, 6238269), (9, 3465705), (15, 2079423), (17, 1834785), (27, 1155235), (45, 693141), (51, 611595), (85, 366957), (135, 231047), (153, 203865), (255, 122319), (459, 67955), (765, 40773), (2295, 13591)]