16243821

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:188

約数の個数: 48

約数和(自身を含む): 27256320

約数和(自身を除く): 11012499

約数列:

[1, 3, 9, 11, 27, 33, 59, 81, 99, 103, 177, 243, 297, 309, 531, 649, 891, 927, 1133, 1593, 1947, 2673, 2781, 3399, 4779, 5841, 6077, 8343, 10197, 14337, 17523, 18231, 25029, 30591, 52569, 54693, 66847, 91773, 157707, 164079, 200541, 275319, 492237, 601623, 1476711, 1804869, 5414607, 16243821]

約数ペア:

[(1, 16243821), (3, 5414607), (9, 1804869), (11, 1476711), (27, 601623), (33, 492237), (59, 275319), (81, 200541), (99, 164079), (103, 157707), (177, 91773), (243, 66847), (297, 54693), (309, 52569), (531, 30591), (649, 25029), (891, 18231), (927, 17523), (1133, 14337), (1593, 10197), (1947, 8343), (2673, 6077), (2781, 5841), (3399, 4779)]