2804805

素因数分解:

$3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{397}}^1$

素因数の和:565

約数の個数: 24

約数和(自身を含む): 4904952

約数和(自身を除く): 2100147

約数列:

[1, 3, 5, 9, 15, 45, 157, 397, 471, 785, 1191, 1413, 1985, 2355, 3573, 5955, 7065, 17865, 62329, 186987, 311645, 560961, 934935, 2804805]

約数ペア:

[(1, 2804805), (3, 934935), (5, 560961), (9, 311645), (15, 186987), (45, 62329), (157, 17865), (397, 7065), (471, 5955), (785, 3573), (1191, 2355), (1413, 1985)]