18260613

素因数分解:

$3^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1223}}^1$

素因数の和:1318

約数の個数: 32

約数和(自身を含む): 31334400

約数和(自身を除く): 13073787

約数列:

[1, 3, 7, 9, 21, 27, 63, 79, 189, 237, 553, 711, 1223, 1659, 2133, 3669, 4977, 8561, 11007, 14931, 25683, 33021, 77049, 96617, 231147, 289851, 676319, 869553, 2028957, 2608659, 6086871, 18260613]

約数ペア:

[(1, 18260613), (3, 6086871), (7, 2608659), (9, 2028957), (21, 869553), (27, 676319), (63, 289851), (79, 231147), (189, 96617), (237, 77049), (553, 33021), (711, 25683), (1223, 14931), (1659, 11007), (2133, 8561), (3669, 4977)]