216690495

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{2609}}^1$

素因数の和:2744

約数の個数: 48

約数和(自身を含む): 407034720

約数和(自身を除く): 190344225

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 113, 147, 245, 339, 565, 735, 791, 1695, 2373, 2609, 3955, 5537, 7827, 11865, 13045, 16611, 18263, 27685, 39135, 54789, 83055, 91315, 127841, 273945, 294817, 383523, 639205, 884451, 1474085, 1917615, 2063719, 4422255, 6191157, 10318595, 14446033, 30955785, 43338099, 72230165, 216690495]

約数ペア:

[(1, 216690495), (3, 72230165), (5, 43338099), (7, 30955785), (15, 14446033), (21, 10318595), (35, 6191157), (49, 4422255), (105, 2063719), (113, 1917615), (147, 1474085), (245, 884451), (339, 639205), (565, 383523), (735, 294817), (791, 273945), (1695, 127841), (2373, 91315), (2609, 83055), (3955, 54789), (5537, 39135), (7827, 27685), (11865, 18263), (13045, 16611)]