989819145

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{136621}}^1$

素因数の和:136662

約数の個数: 48

約数和(自身を含む): 2046051072

約数和(自身を除く): 1056231927

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 35, 45, 63, 69, 105, 115, 161, 207, 315, 345, 483, 805, 1035, 1449, 2415, 7245, 136621, 409863, 683105, 956347, 1229589, 2049315, 2869041, 3142283, 4781735, 6147945, 8607123, 9426849, 14345205, 15711415, 21995981, 28280547, 43035615, 47134245, 65987943, 109979905, 141402735, 197963829, 329939715, 989819145]

約数ペア:

[(1, 989819145), (3, 329939715), (5, 197963829), (7, 141402735), (9, 109979905), (15, 65987943), (21, 47134245), (23, 43035615), (35, 28280547), (45, 21995981), (63, 15711415), (69, 14345205), (105, 9426849), (115, 8607123), (161, 6147945), (207, 4781735), (315, 3142283), (345, 2869041), (483, 2049315), (805, 1229589), (1035, 956347), (1449, 683105), (2415, 409863), (7245, 136621)]