81901965

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{5051}}^1$

素因数の和:5129

約数の個数: 32

約数和(自身を含む): 139677696

約数和(自身を除く): 57775731

約数列:

[1, 3, 5, 15, 23, 47, 69, 115, 141, 235, 345, 705, 1081, 3243, 5051, 5405, 15153, 16215, 25255, 75765, 116173, 237397, 348519, 580865, 712191, 1186985, 1742595, 3560955, 5460131, 16380393, 27300655, 81901965]

約数ペア:

[(1, 81901965), (3, 27300655), (5, 16380393), (15, 5460131), (23, 3560955), (47, 1742595), (69, 1186985), (115, 712191), (141, 580865), (235, 348519), (345, 237397), (705, 116173), (1081, 75765), (3243, 25255), (5051, 16215), (5405, 15153)]