891170049

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{821}}^1$

素因数の和:1006

約数の個数: 64

約数和(自身を含む): 1535311872

約数和(自身を除く): 644141823

約数列:

[1, 3, 7, 11, 21, 33, 37, 77, 111, 127, 231, 259, 381, 407, 777, 821, 889, 1221, 1397, 2463, 2667, 2849, 4191, 4699, 5747, 8547, 9031, 9779, 14097, 17241, 27093, 29337, 30377, 32893, 51689, 63217, 91131, 98679, 104267, 155067, 189651, 212639, 312801, 334147, 361823, 637917, 729869, 1002441, 1085469, 1146937, 2189607, 2339029, 3440811, 3857879, 7017087, 8028559, 11573637, 24085677, 27005153, 42436669, 81015459, 127310007, 297056683, 891170049]

約数ペア:

[(1, 891170049), (3, 297056683), (7, 127310007), (11, 81015459), (21, 42436669), (33, 27005153), (37, 24085677), (77, 11573637), (111, 8028559), (127, 7017087), (231, 3857879), (259, 3440811), (381, 2339029), (407, 2189607), (777, 1146937), (821, 1085469), (889, 1002441), (1221, 729869), (1397, 637917), (2463, 361823), (2667, 334147), (2849, 312801), (4191, 212639), (4699, 189651), (5747, 155067), (8547, 104267), (9031, 98679), (9779, 91131), (14097, 63217), (17241, 51689), (27093, 32893), (29337, 30377)]