78649407

素因数分解:

$3^3\times {\mathrm{101}}^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1$

素因数の和:452

約数の個数: 32

約数和(自身を含む): 119070720

約数和(自身を除く): 40421313

約数列:

[1, 3, 9, 27, 101, 151, 191, 303, 453, 573, 909, 1359, 1719, 2727, 4077, 5157, 15251, 19291, 28841, 45753, 57873, 86523, 137259, 173619, 259569, 411777, 520857, 778707, 2912941, 8738823, 26216469, 78649407]

約数ペア:

[(1, 78649407), (3, 26216469), (9, 8738823), (27, 2912941), (101, 778707), (151, 520857), (191, 411777), (303, 259569), (453, 173619), (573, 137259), (909, 86523), (1359, 57873), (1719, 45753), (2727, 28841), (4077, 19291), (5157, 15251)]