131894553

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{2441}}^1$

素因数の和:2565

約数の個数: 32

約数和(自身を含む): 210051072

約数和(自身を除く): 78156519

約数列:

[1, 3, 7, 21, 31, 83, 93, 217, 249, 581, 651, 1743, 2441, 2573, 7323, 7719, 17087, 18011, 51261, 54033, 75671, 202603, 227013, 529697, 607809, 1418221, 1589091, 4254663, 6280693, 18842079, 43964851, 131894553]

約数ペア:

[(1, 131894553), (3, 43964851), (7, 18842079), (21, 6280693), (31, 4254663), (83, 1589091), (93, 1418221), (217, 607809), (249, 529697), (581, 227013), (651, 202603), (1743, 75671), (2441, 54033), (2573, 51261), (7323, 18011), (7719, 17087)]