81227405

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1013}}^1$

素因数の和:1133

約数の個数: 32

約数和(自身を含む): 116812800

約数和(自身を除く): 35585395

約数列:

[1, 5, 7, 29, 35, 79, 145, 203, 395, 553, 1013, 1015, 2291, 2765, 5065, 7091, 11455, 16037, 29377, 35455, 80027, 80185, 146885, 205639, 400135, 560189, 1028195, 2320783, 2800945, 11603915, 16245481, 81227405]

約数ペア:

[(1, 81227405), (5, 16245481), (7, 11603915), (29, 2800945), (35, 2320783), (79, 1028195), (145, 560189), (203, 400135), (395, 205639), (553, 146885), (1013, 80185), (1015, 80027), (2291, 35455), (2765, 29377), (5065, 16037), (7091, 11455)]