890473419

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{313}}^1$

素因数の和:470

約数の個数: 80

約数和(自身を含む): 1517328384

約数和(自身を除く): 626854965

約数列:

[1, 3, 9, 11, 27, 31, 33, 81, 93, 99, 103, 279, 297, 309, 313, 341, 837, 891, 927, 939, 1023, 1133, 2511, 2781, 2817, 3069, 3193, 3399, 3443, 8343, 8451, 9207, 9579, 9703, 10197, 10329, 25353, 27621, 28737, 29109, 30591, 30987, 32239, 35123, 86211, 87327, 91773, 92961, 96717, 105369, 106733, 258633, 261981, 278883, 290151, 316107, 320199, 354629, 785943, 870453, 948321, 960597, 999409, 1063887, 2611359, 2844963, 2881791, 2998227, 3191661, 8645373, 8994681, 9574983, 10993499, 26984043, 28724949, 32980497, 80952129, 98941491, 296824473, 890473419]

約数ペア:

[(1, 890473419), (3, 296824473), (9, 98941491), (11, 80952129), (27, 32980497), (31, 28724949), (33, 26984043), (81, 10993499), (93, 9574983), (99, 8994681), (103, 8645373), (279, 3191661), (297, 2998227), (309, 2881791), (313, 2844963), (341, 2611359), (837, 1063887), (891, 999409), (927, 960597), (939, 948321), (1023, 870453), (1133, 785943), (2511, 354629), (2781, 320199), (2817, 316107), (3069, 290151), (3193, 278883), (3399, 261981), (3443, 258633), (8343, 106733), (8451, 105369), (9207, 96717), (9579, 92961), (9703, 91773), (10197, 87327), (10329, 86211), (25353, 35123), (27621, 32239), (28737, 30987), (29109, 30591)]