31685661

素因数分解:

$3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:136

約数の個数: 80

約数和(自身を含む): 58544640

約数和(自身を除く): 26858979

約数列:

[1, 3, 7, 9, 21, 27, 29, 41, 47, 63, 81, 87, 123, 141, 189, 203, 261, 287, 329, 369, 423, 567, 609, 783, 861, 987, 1107, 1189, 1269, 1363, 1827, 1927, 2349, 2583, 2961, 3321, 3567, 3807, 4089, 5481, 5781, 7749, 8323, 8883, 9541, 10701, 12267, 13489, 16443, 17343, 23247, 24969, 26649, 28623, 32103, 36801, 40467, 52029, 55883, 74907, 85869, 96309, 110403, 121401, 156087, 167649, 224721, 257607, 364203, 391181, 502947, 674163, 772821, 1092609, 1173543, 1508841, 3520629, 4526523, 10561887, 31685661]

約数ペア:

[(1, 31685661), (3, 10561887), (7, 4526523), (9, 3520629), (21, 1508841), (27, 1173543), (29, 1092609), (41, 772821), (47, 674163), (63, 502947), (81, 391181), (87, 364203), (123, 257607), (141, 224721), (189, 167649), (203, 156087), (261, 121401), (287, 110403), (329, 96309), (369, 85869), (423, 74907), (567, 55883), (609, 52029), (783, 40467), (861, 36801), (987, 32103), (1107, 28623), (1189, 26649), (1269, 24969), (1363, 23247), (1827, 17343), (1927, 16443), (2349, 13489), (2583, 12267), (2961, 10701), (3321, 9541), (3567, 8883), (3807, 8323), (4089, 7749), (5481, 5781)]