82190913

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 127835904

約数和(自身を除く): 45644991

約数列:

[1, 3, 7, 21, 97, 157, 257, 291, 471, 679, 771, 1099, 1799, 2037, 3297, 5397, 15229, 24929, 40349, 45687, 74787, 106603, 121047, 174503, 282443, 319809, 523509, 847329, 3913853, 11741559, 27396971, 82190913]

約数ペア:

[(1, 82190913), (3, 27396971), (7, 11741559), (21, 3913853), (97, 847329), (157, 523509), (257, 319809), (291, 282443), (471, 174503), (679, 121047), (771, 106603), (1099, 74787), (1799, 45687), (2037, 40349), (3297, 24929), (5397, 15229)]