71757609

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{223}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 122572800

約数和(自身を除く): 50815191

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 199, 223, 231, 539, 597, 669, 1393, 1561, 1617, 2189, 2453, 4179, 4683, 6567, 7359, 9751, 10927, 15323, 17171, 29253, 32781, 44377, 45969, 51513, 107261, 120197, 133131, 310639, 321783, 360591, 488147, 931917, 1464441, 2174473, 3417029, 6523419, 10251087, 23919203, 71757609]

約数ペア:

[(1, 71757609), (3, 23919203), (7, 10251087), (11, 6523419), (21, 3417029), (33, 2174473), (49, 1464441), (77, 931917), (147, 488147), (199, 360591), (223, 321783), (231, 310639), (539, 133131), (597, 120197), (669, 107261), (1393, 51513), (1561, 45969), (1617, 44377), (2189, 32781), (2453, 29253), (4179, 17171), (4683, 15323), (6567, 10927), (7359, 9751)]