81697539

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{6673}}^1$

素因数の和:6747

約数の個数: 32

約数和(自身を含む): 138392064

約数和(自身を除く): 56694525

約数列:

[1, 3, 7, 11, 21, 33, 53, 77, 159, 231, 371, 583, 1113, 1749, 4081, 6673, 12243, 20019, 46711, 73403, 140133, 220209, 353669, 513821, 1061007, 1541463, 2475683, 3890359, 7427049, 11671077, 27232513, 81697539]

約数ペア:

[(1, 81697539), (3, 27232513), (7, 11671077), (11, 7427049), (21, 3890359), (33, 2475683), (53, 1541463), (77, 1061007), (159, 513821), (231, 353669), (371, 220209), (583, 140133), (1113, 73403), (1749, 46711), (4081, 20019), (6673, 12243)]