17690841

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 31599360

約数和(自身を除く): 13908519

約数列:

[1, 3, 7, 9, 21, 23, 29, 63, 69, 87, 161, 203, 207, 261, 421, 483, 609, 667, 1263, 1449, 1827, 2001, 2947, 3789, 4669, 6003, 8841, 9683, 12209, 14007, 26523, 29049, 36627, 42021, 67781, 85463, 87147, 109881, 203343, 256389, 280807, 610029, 769167, 842421, 1965649, 2527263, 5896947, 17690841]

約数ペア:

[(1, 17690841), (3, 5896947), (7, 2527263), (9, 1965649), (21, 842421), (23, 769167), (29, 610029), (63, 280807), (69, 256389), (87, 203343), (161, 109881), (203, 87147), (207, 85463), (261, 67781), (421, 42021), (483, 36627), (609, 29049), (667, 26523), (1263, 14007), (1449, 12209), (1827, 9683), (2001, 8841), (2947, 6003), (3789, 4669)]