200405421

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{79811}}^1$

素因数の和:79854

約数の個数: 20

約数和(自身を含む): 309032064

約数和(自身を除く): 108626643

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 79811, 239433, 718299, 2154897, 2474141, 6464691, 7422423, 22267269, 66801807, 200405421]

約数ペア:

[(1, 200405421), (3, 66801807), (9, 22267269), (27, 7422423), (31, 6464691), (81, 2474141), (93, 2154897), (279, 718299), (837, 239433), (2511, 79811)]