81646123

素因数分解:

${\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1\times {\mathrm{367}}^1$

素因数の和:646

約数の個数: 16

約数和(自身を含む): 89541760

約数和(自身を除く): 7895637

約数列:

[1, 13, 109, 157, 367, 1417, 2041, 4771, 17113, 40003, 57619, 222469, 520039, 749047, 6280471, 81646123]

約数ペア:

[(1, 81646123), (13, 6280471), (109, 749047), (157, 520039), (367, 222469), (1417, 57619), (2041, 40003), (4771, 17113)]