199432989

素因数分解:

$3^3\times 7^2\times {\mathrm{150743}}^1$

素因数の和:150766

約数の個数: 24

約数和(自身を含む): 343696320

約数和(自身を除く): 144263331

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 150743, 452229, 1055201, 1356687, 3165603, 4070061, 7386407, 9496809, 22159221, 28490427, 66477663, 199432989]

約数ペア:

[(1, 199432989), (3, 66477663), (7, 28490427), (9, 22159221), (21, 9496809), (27, 7386407), (49, 4070061), (63, 3165603), (147, 1356687), (189, 1055201), (441, 452229), (1323, 150743)]