391347

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:143

約数の個数: 24

約数和(自身を含む): 636480

約数和(自身を除く): 245133

約数列:

[1, 3, 9, 11, 33, 59, 67, 99, 177, 201, 531, 603, 649, 737, 1947, 2211, 3953, 5841, 6633, 11859, 35577, 43483, 130449, 391347]

約数ペア:

[(1, 391347), (3, 130449), (9, 43483), (11, 35577), (33, 11859), (59, 6633), (67, 5841), (99, 3953), (177, 2211), (201, 1947), (531, 737), (603, 649)]