18380061

素因数分解:

$3^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1231}}^1$

素因数の和:1326

約数の個数: 32

約数和(自身を含む): 31539200

約数和(自身を除く): 13159139

約数列:

[1, 3, 7, 9, 21, 27, 63, 79, 189, 237, 553, 711, 1231, 1659, 2133, 3693, 4977, 8617, 11079, 14931, 25851, 33237, 77553, 97249, 232659, 291747, 680743, 875241, 2042229, 2625723, 6126687, 18380061]

約数ペア:

[(1, 18380061), (3, 6126687), (7, 2625723), (9, 2042229), (21, 875241), (27, 680743), (63, 291747), (79, 232659), (189, 97249), (237, 77553), (553, 33237), (711, 25851), (1231, 14931), (1659, 11079), (2133, 8617), (3693, 4977)]