221839479

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{997}}^1$

素因数の和:1117

約数の個数: 40

約数和(自身を含む): 344884848

約数和(自身を除く): 123045369

約数列:

[1, 3, 9, 27, 41, 67, 81, 123, 201, 369, 603, 997, 1107, 1809, 2747, 2991, 3321, 5427, 8241, 8973, 24723, 26919, 40877, 66799, 74169, 80757, 122631, 200397, 222507, 367893, 601191, 1103679, 1803573, 2738759, 3311037, 5410719, 8216277, 24648831, 73946493, 221839479]

約数ペア:

[(1, 221839479), (3, 73946493), (9, 24648831), (27, 8216277), (41, 5410719), (67, 3311037), (81, 2738759), (123, 1803573), (201, 1103679), (369, 601191), (603, 367893), (997, 222507), (1107, 200397), (1809, 122631), (2747, 80757), (2991, 74169), (3321, 66799), (5427, 40877), (8241, 26919), (8973, 24723)]