1640328039

素因数分解:

$3^2\times 7^1\times {\mathrm{631}}^1\times {\mathrm{41263}}^1$

素因数の和:41907

約数の個数: 24

約数和(自身を含む): 2712200192

約数和(自身を除く): 1071872153

約数列:

[1, 3, 7, 9, 21, 63, 631, 1893, 4417, 5679, 13251, 39753, 41263, 123789, 288841, 371367, 866523, 2599569, 26036953, 78110859, 182258671, 234332577, 546776013, 1640328039]

約数ペア:

[(1, 1640328039), (3, 546776013), (7, 234332577), (9, 182258671), (21, 78110859), (63, 26036953), (631, 2599569), (1893, 866523), (4417, 371367), (5679, 288841), (13251, 123789), (39753, 41263)]