2489984955

素因数分解:

$3^4\times 5^1\times {\mathrm{1663}}^1\times {\mathrm{3697}}^1$

素因数の和:5377

約数の個数: 40

約数和(自身を含む): 4467420672

約数和(自身を除く): 1977435717

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 1663, 3697, 4989, 8315, 11091, 14967, 18485, 24945, 33273, 44901, 55455, 74835, 99819, 134703, 166365, 224505, 299457, 499095, 673515, 1497285, 6148111, 18444333, 30740555, 55332999, 92221665, 165998997, 276664995, 497996991, 829994985, 2489984955]

約数ペア:

[(1, 2489984955), (3, 829994985), (5, 497996991), (9, 276664995), (15, 165998997), (27, 92221665), (45, 55332999), (81, 30740555), (135, 18444333), (405, 6148111), (1663, 1497285), (3697, 673515), (4989, 499095), (8315, 299457), (11091, 224505), (14967, 166365), (18485, 134703), (24945, 99819), (33273, 74835), (44901, 55455)]