858979971

素因数分解:

$3^6\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{991}}^1$

素因数の和:1079

約数の個数: 56

約数和(自身を含む): 1366162560

約数和(自身を除く): 507182589

約数列:

[1, 3, 9, 27, 29, 41, 81, 87, 123, 243, 261, 369, 729, 783, 991, 1107, 1189, 2349, 2973, 3321, 3567, 7047, 8919, 9963, 10701, 21141, 26757, 28739, 29889, 32103, 40631, 80271, 86217, 96309, 121893, 240813, 258651, 288927, 365679, 722439, 775953, 866781, 1097037, 1178299, 2327859, 3291111, 3534897, 6983577, 9873333, 10604691, 20950731, 29619999, 31814073, 95442219, 286326657, 858979971]

約数ペア:

[(1, 858979971), (3, 286326657), (9, 95442219), (27, 31814073), (29, 29619999), (41, 20950731), (81, 10604691), (87, 9873333), (123, 6983577), (243, 3534897), (261, 3291111), (369, 2327859), (729, 1178299), (783, 1097037), (991, 866781), (1107, 775953), (1189, 722439), (2349, 365679), (2973, 288927), (3321, 258651), (3567, 240813), (7047, 121893), (8919, 96309), (9963, 86217), (10701, 80271), (21141, 40631), (26757, 32103), (28739, 29889)]