201399399

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{449}}^2$

素因数の和:944

約数の個数: 24

約数和(自身を含む): 307117520

約数和(自身を除く): 105718121

約数列:

[1, 3, 9, 27, 37, 111, 333, 449, 999, 1347, 4041, 12123, 16613, 49839, 149517, 201601, 448551, 604803, 1814409, 5443227, 7459237, 22377711, 67133133, 201399399]

約数ペア:

[(1, 201399399), (3, 67133133), (9, 22377711), (27, 7459237), (37, 5443227), (111, 1814409), (333, 604803), (449, 448551), (999, 201601), (1347, 149517), (4041, 49839), (12123, 16613)]