42321447

素因数分解:

$3^4\times 7^2\times {\mathrm{10663}}^1$

素因数の和:10689

約数の個数: 30

約数和(自身を含む): 73549608

約数和(自身を除く): 31228161

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 10663, 31989, 74641, 95967, 223923, 287901, 522487, 671769, 863703, 1567461, 2015307, 4702383, 6045921, 14107149, 42321447]

約数ペア:

[(1, 42321447), (3, 14107149), (7, 6045921), (9, 4702383), (21, 2015307), (27, 1567461), (49, 863703), (63, 671769), (81, 522487), (147, 287901), (189, 223923), (441, 95967), (567, 74641), (1323, 31989), (3969, 10663)]