278380649223

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{22300781}}^1$

素因数の和:22300879

約数の個数: 24

約数和(自身を含む): 429067045680

約数和(自身を除く): 150686396457

約数列:

[1, 3, 9, 19, 57, 73, 171, 219, 657, 1387, 4161, 12483, 22300781, 66902343, 200707029, 423714839, 1271144517, 1627957013, 3813433551, 4883871039, 14651613117, 30931183247, 92793549741, 278380649223]

約数ペア:

[(1, 278380649223), (3, 92793549741), (9, 30931183247), (19, 14651613117), (57, 4883871039), (73, 3813433551), (171, 1627957013), (219, 1271144517), (657, 423714839), (1387, 200707029), (4161, 66902343), (12483, 22300781)]