819987273

素因数分解:

$3^3\times 7^1\times {\mathrm{599}}^1\times {\mathrm{7243}}^1$

素因数の和:7858

約数の個数: 32

約数和(自身を含む): 1390848000

約数和(自身を除く): 570860727

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 599, 1797, 4193, 5391, 7243, 12579, 16173, 21729, 37737, 50701, 65187, 113211, 152103, 195561, 456309, 1368927, 4338557, 13015671, 30369899, 39047013, 91109697, 117141039, 273329091, 819987273]

約数ペア:

[(1, 819987273), (3, 273329091), (7, 117141039), (9, 91109697), (21, 39047013), (27, 30369899), (63, 13015671), (189, 4338557), (599, 1368927), (1797, 456309), (4193, 195561), (5391, 152103), (7243, 113211), (12579, 65187), (16173, 50701), (21729, 37737)]