78178437

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{421}}^1\times {\mathrm{439}}^1$

素因数の和:913

約数の個数: 24

約数和(自身を含む): 115864320

約数和(自身を除く): 37685883

約数列:

[1, 3, 9, 47, 141, 421, 423, 439, 1263, 1317, 3789, 3951, 19787, 20633, 59361, 61899, 178083, 184819, 185697, 554457, 1663371, 8686493, 26059479, 78178437]

約数ペア:

[(1, 78178437), (3, 26059479), (9, 8686493), (47, 1663371), (141, 554457), (421, 185697), (423, 184819), (439, 178083), (1263, 61899), (1317, 59361), (3789, 20633), (3951, 19787)]