131648985

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1619}}^1$

素因数の和:1782

約数の個数: 48

約数和(自身を含む): 247665600

約数和(自身を除く): 116016615

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 139, 195, 417, 585, 695, 1251, 1619, 1807, 2085, 4857, 5421, 6255, 8095, 9035, 14571, 16263, 21047, 24285, 27105, 63141, 72855, 81315, 105235, 189423, 225041, 315705, 675123, 947115, 1125205, 2025369, 2925533, 3375615, 8776599, 10126845, 14627665, 26329797, 43882995, 131648985]

約数ペア:

[(1, 131648985), (3, 43882995), (5, 26329797), (9, 14627665), (13, 10126845), (15, 8776599), (39, 3375615), (45, 2925533), (65, 2025369), (117, 1125205), (139, 947115), (195, 675123), (417, 315705), (585, 225041), (695, 189423), (1251, 105235), (1619, 81315), (1807, 72855), (2085, 63141), (4857, 27105), (5421, 24285), (6255, 21047), (8095, 16263), (9035, 14571)]