156976137

素因数分解:

$3^4\times {\mathrm{491}}^1\times {\mathrm{3947}}^1$

素因数の和:4450

約数の個数: 20

約数和(自身を含む): 235032336

約数和(自身を除く): 78056199

約数列:

[1, 3, 9, 27, 81, 491, 1473, 3947, 4419, 11841, 13257, 35523, 39771, 106569, 319707, 1937977, 5813931, 17441793, 52325379, 156976137]

約数ペア:

[(1, 156976137), (3, 52325379), (9, 17441793), (27, 5813931), (81, 1937977), (491, 319707), (1473, 106569), (3947, 39771), (4419, 35523), (11841, 13257)]