2845955

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:147

約数の個数: 32

約数和(自身を含む): 4190208

約数和(自身を除く): 1344253

約数列:

[1, 5, 7, 31, 35, 43, 61, 155, 215, 217, 301, 305, 427, 1085, 1333, 1505, 1891, 2135, 2623, 6665, 9331, 9455, 13115, 13237, 18361, 46655, 66185, 81313, 91805, 406565, 569191, 2845955]

約数ペア:

[(1, 2845955), (5, 569191), (7, 406565), (31, 91805), (35, 81313), (43, 66185), (61, 46655), (155, 18361), (215, 13237), (217, 13115), (301, 9455), (305, 9331), (427, 6665), (1085, 2623), (1333, 2135), (1505, 1891)]