81397065

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{1301}}^1$

素因数の和:1449

約数の個数: 32

約数和(自身を含む): 134741376

約数和(自身を除く): 53344311

約数列:

[1, 3, 5, 15, 43, 97, 129, 215, 291, 485, 645, 1301, 1455, 3903, 4171, 6505, 12513, 19515, 20855, 55943, 62565, 126197, 167829, 279715, 378591, 630985, 839145, 1892955, 5426471, 16279413, 27132355, 81397065]

約数ペア:

[(1, 81397065), (3, 27132355), (5, 16279413), (15, 5426471), (43, 1892955), (97, 839145), (129, 630985), (215, 378591), (291, 279715), (485, 167829), (645, 126197), (1301, 62565), (1455, 55943), (3903, 20855), (4171, 19515), (6505, 12513)]