1880451999

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{877}}^1$

素因数の和:1104

約数の個数: 48

約数和(自身を含む): 2873040768

約数和(自身を除く): 992588769

約数列:

[1, 3, 9, 37, 47, 111, 137, 141, 333, 411, 423, 877, 1233, 1739, 2631, 5069, 5217, 6439, 7893, 15207, 15651, 19317, 32449, 41219, 45621, 57951, 97347, 120149, 123657, 238243, 292041, 360447, 370971, 714729, 1081341, 1525103, 2144187, 4445513, 4575309, 5647003, 13336539, 13725927, 16941009, 40009617, 50823027, 208939111, 626817333, 1880451999]

約数ペア:

[(1, 1880451999), (3, 626817333), (9, 208939111), (37, 50823027), (47, 40009617), (111, 16941009), (137, 13725927), (141, 13336539), (333, 5647003), (411, 4575309), (423, 4445513), (877, 2144187), (1233, 1525103), (1739, 1081341), (2631, 714729), (5069, 370971), (5217, 360447), (6439, 292041), (7893, 238243), (15207, 123657), (15651, 120149), (19317, 97347), (32449, 57951), (41219, 45621)]