210320747

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1181}}^1$

素因数の和:1323

約数の個数: 32

約数和(自身を含む): 275358720

約数和(自身を除く): 65037973

約数列:

[1, 7, 13, 19, 91, 103, 133, 247, 721, 1181, 1339, 1729, 1957, 8267, 9373, 13699, 15353, 22439, 25441, 107471, 121643, 157073, 178087, 291707, 851501, 1581359, 2041949, 2311217, 11069513, 16178519, 30045821, 210320747]

約数ペア:

[(1, 210320747), (7, 30045821), (13, 16178519), (19, 11069513), (91, 2311217), (103, 2041949), (133, 1581359), (247, 851501), (721, 291707), (1181, 178087), (1339, 157073), (1729, 121643), (1957, 107471), (8267, 25441), (9373, 22439), (13699, 15353)]