49137921

素因数分解:

$3^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1097}}^1$

素因数の和:1195

約数の個数: 40

約数和(自身を含む): 85029120

約数和(自身を除く): 35891199

約数列:

[1, 3, 7, 9, 21, 27, 63, 79, 81, 189, 237, 553, 567, 711, 1097, 1659, 2133, 3291, 4977, 6399, 7679, 9873, 14931, 23037, 29619, 44793, 69111, 86663, 88857, 207333, 259989, 606641, 621999, 779967, 1819923, 2339901, 5459769, 7019703, 16379307, 49137921]

約数ペア:

[(1, 49137921), (3, 16379307), (7, 7019703), (9, 5459769), (21, 2339901), (27, 1819923), (63, 779967), (79, 621999), (81, 606641), (189, 259989), (237, 207333), (553, 88857), (567, 86663), (711, 69111), (1097, 44793), (1659, 29619), (2133, 23037), (3291, 14931), (4977, 9873), (6399, 7679)]