29961981

素因数分解:

$3^4\times 7^2\times {\mathrm{7549}}^1$

素因数の和:7575

約数の個数: 30

約数和(自身を含む): 52072350

約数和(自身を除く): 22110369

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 7549, 22647, 52843, 67941, 158529, 203823, 369901, 475587, 611469, 1109703, 1426761, 3329109, 4280283, 9987327, 29961981]

約数ペア:

[(1, 29961981), (3, 9987327), (7, 4280283), (9, 3329109), (21, 1426761), (27, 1109703), (49, 611469), (63, 475587), (81, 369901), (147, 203823), (189, 158529), (441, 67941), (567, 52843), (1323, 22647), (3969, 7549)]