890664537

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{353}}^1\times {\mathrm{877}}^1$

素因数の和:1377

約数の個数: 32

約数和(自身を含む): 1372545792

約数和(自身を除く): 481881255

約数列:

[1, 3, 7, 21, 137, 353, 411, 877, 959, 1059, 2471, 2631, 2877, 6139, 7413, 18417, 48361, 120149, 145083, 309581, 338527, 360447, 841043, 928743, 1015581, 2167067, 2523129, 6501201, 42412597, 127237791, 296888179, 890664537]

約数ペア:

[(1, 890664537), (3, 296888179), (7, 127237791), (21, 42412597), (137, 6501201), (353, 2523129), (411, 2167067), (877, 1015581), (959, 928743), (1059, 841043), (2471, 360447), (2631, 338527), (2877, 309581), (6139, 145083), (7413, 120149), (18417, 48361)]