42901551

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1997}}^1$

素因数の和:2052

約数の個数: 48

約数和(自身を含む): 79792128

約数和(自身を除く): 36890577

約数列:

[1, 3, 7, 9, 11, 21, 31, 33, 63, 77, 93, 99, 217, 231, 279, 341, 651, 693, 1023, 1953, 1997, 2387, 3069, 5991, 7161, 13979, 17973, 21483, 21967, 41937, 61907, 65901, 125811, 153769, 185721, 197703, 433349, 461307, 557163, 680977, 1300047, 1383921, 2042931, 3900141, 4766839, 6128793, 14300517, 42901551]

約数ペア:

[(1, 42901551), (3, 14300517), (7, 6128793), (9, 4766839), (11, 3900141), (21, 2042931), (31, 1383921), (33, 1300047), (63, 680977), (77, 557163), (93, 461307), (99, 433349), (217, 197703), (231, 185721), (279, 153769), (341, 125811), (651, 65901), (693, 61907), (1023, 41937), (1953, 21967), (1997, 21483), (2387, 17973), (3069, 13979), (5991, 7161)]