1555148889

素因数分解:

$3^4\times 7^1\times {\mathrm{109}}^1\times {\mathrm{25163}}^1$

素因数の和:25291

約数の個数: 40

約数和(自身を含む): 2679462720

約数和(自身を除く): 1124313831

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 109, 189, 327, 567, 763, 981, 2289, 2943, 6867, 8829, 20601, 25163, 61803, 75489, 176141, 226467, 528423, 679401, 1585269, 2038203, 2742767, 4755807, 8228301, 14267421, 19199369, 24684903, 57598107, 74054709, 172794321, 222164127, 518382963, 1555148889]

約数ペア:

[(1, 1555148889), (3, 518382963), (7, 222164127), (9, 172794321), (21, 74054709), (27, 57598107), (63, 24684903), (81, 19199369), (109, 14267421), (189, 8228301), (327, 4755807), (567, 2742767), (763, 2038203), (981, 1585269), (2289, 679401), (2943, 528423), (6867, 226467), (8829, 176141), (20601, 75489), (25163, 61803)]