231640785

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{2029}}^1$

素因数の和:2142

約数の個数: 48

約数和(自身を含む): 418017600

約数和(自身を除く): 186376815

約数列:

[1, 3, 5, 9, 15, 43, 45, 59, 129, 177, 215, 295, 387, 531, 645, 885, 1935, 2029, 2537, 2655, 6087, 7611, 10145, 12685, 18261, 22833, 30435, 38055, 87247, 91305, 114165, 119711, 261741, 359133, 436235, 598555, 785223, 1077399, 1308705, 1795665, 3926115, 5147573, 5386995, 15442719, 25737865, 46328157, 77213595, 231640785]

約数ペア:

[(1, 231640785), (3, 77213595), (5, 46328157), (9, 25737865), (15, 15442719), (43, 5386995), (45, 5147573), (59, 3926115), (129, 1795665), (177, 1308705), (215, 1077399), (295, 785223), (387, 598555), (531, 436235), (645, 359133), (885, 261741), (1935, 119711), (2029, 114165), (2537, 91305), (2655, 87247), (6087, 38055), (7611, 30435), (10145, 22833), (12685, 18261)]