7178219139

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1553}}^1\times {\mathrm{16931}}^1$

素因数の和:18507

約数の個数: 32

約数和(自身を含む): 11787922944

約数和(自身を除く): 4609703805

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 1553, 4659, 10871, 16931, 20189, 32613, 50793, 60567, 118517, 141323, 220103, 355551, 423969, 660309, 1540721, 4622163, 26293843, 78881529, 184056901, 341819959, 552170703, 1025459877, 2392739713, 7178219139]

約数ペア:

[(1, 7178219139), (3, 2392739713), (7, 1025459877), (13, 552170703), (21, 341819959), (39, 184056901), (91, 78881529), (273, 26293843), (1553, 4622163), (4659, 1540721), (10871, 660309), (16931, 423969), (20189, 355551), (32613, 220103), (50793, 141323), (60567, 118517)]