68644443

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 112942080

約数和(自身を除く): 44297637

約数列:

[1, 3, 7, 21, 23, 49, 69, 79, 147, 161, 237, 257, 483, 553, 771, 1127, 1659, 1799, 1817, 3381, 3871, 5397, 5451, 5911, 11613, 12593, 12719, 17733, 20303, 37779, 38157, 41377, 60909, 89033, 124131, 142121, 267099, 289639, 426363, 466969, 868917, 994847, 1400907, 2984541, 3268783, 9806349, 22881481, 68644443]

約数ペア:

[(1, 68644443), (3, 22881481), (7, 9806349), (21, 3268783), (23, 2984541), (49, 1400907), (69, 994847), (79, 868917), (147, 466969), (161, 426363), (237, 289639), (257, 267099), (483, 142121), (553, 124131), (771, 89033), (1127, 60909), (1659, 41377), (1799, 38157), (1817, 37779), (3381, 20303), (3871, 17733), (5397, 12719), (5451, 12593), (5911, 11613)]