77870709

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{881}}^1$

素因数の和:978

約数の個数: 48

約数和(自身を含む): 136491264

約数和(自身を除く): 58620555

約数列:

[1, 3, 7, 9, 21, 23, 61, 63, 69, 161, 183, 207, 427, 483, 549, 881, 1281, 1403, 1449, 2643, 3843, 4209, 6167, 7929, 9821, 12627, 18501, 20263, 29463, 53741, 55503, 60789, 88389, 141841, 161223, 182367, 376187, 425523, 483669, 1128561, 1236043, 1276569, 3385683, 3708129, 8652301, 11124387, 25956903, 77870709]

約数ペア:

[(1, 77870709), (3, 25956903), (7, 11124387), (9, 8652301), (21, 3708129), (23, 3385683), (61, 1276569), (63, 1236043), (69, 1128561), (161, 483669), (183, 425523), (207, 376187), (427, 182367), (483, 161223), (549, 141841), (881, 88389), (1281, 60789), (1403, 55503), (1449, 53741), (2643, 29463), (3843, 20263), (4209, 18501), (6167, 12627), (7929, 9821)]