28971873

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{4219}}^1$

素因数の和:4341

約数の個数: 24

約数和(自身を含む): 48276800

約数和(自身を除く): 19304927

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 2289, 4219, 6867, 12657, 29533, 37971, 88599, 265797, 459871, 1379613, 3219097, 4138839, 9657291, 28971873]

約数ペア:

[(1, 28971873), (3, 9657291), (7, 4138839), (9, 3219097), (21, 1379613), (63, 459871), (109, 265797), (327, 88599), (763, 37971), (981, 29533), (2289, 12657), (4219, 6867)]