81125853

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 124862976

約数和(自身を除く): 43737123

約数列:

[1, 3, 17, 23, 31, 51, 69, 93, 97, 291, 391, 527, 529, 713, 1173, 1581, 1587, 1649, 2139, 2231, 3007, 4947, 6693, 8993, 9021, 12121, 16399, 26979, 36363, 37927, 49197, 51119, 51313, 69161, 113781, 153357, 153939, 207483, 278783, 836349, 872321, 1175737, 1590703, 2616963, 3527211, 4772109, 27041951, 81125853]

約数ペア:

[(1, 81125853), (3, 27041951), (17, 4772109), (23, 3527211), (31, 2616963), (51, 1590703), (69, 1175737), (93, 872321), (97, 836349), (291, 278783), (391, 207483), (527, 153939), (529, 153357), (713, 113781), (1173, 69161), (1581, 51313), (1587, 51119), (1649, 49197), (2139, 37927), (2231, 36363), (3007, 26979), (4947, 16399), (6693, 12121), (8993, 9021)]