1278099

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{509}}^1$

素因数の和:552

約数の個数: 20

約数和(自身を含む): 1974720

約数和(自身を除く): 696621

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 509, 837, 1527, 2511, 4581, 13743, 15779, 41229, 47337, 142011, 426033, 1278099]

約数ペア:

[(1, 1278099), (3, 426033), (9, 142011), (27, 47337), (31, 41229), (81, 15779), (93, 13743), (279, 4581), (509, 2511), (837, 1527)]