1388892075

素因数分解:

$3^1\times 5^2\times {\mathrm{97}}^1\times {\mathrm{190913}}^1$

素因数の和:191023

約数の個数: 24

約数和(自身を含む): 2319986928

約数和(自身を除く): 931094853

約数列:

[1, 3, 5, 15, 25, 75, 97, 291, 485, 1455, 2425, 7275, 190913, 572739, 954565, 2863695, 4772825, 14318475, 18518561, 55555683, 92592805, 277778415, 462964025, 1388892075]

約数ペア:

[(1, 1388892075), (3, 462964025), (5, 277778415), (15, 92592805), (25, 55555683), (75, 18518561), (97, 14318475), (291, 4772825), (485, 2863695), (1455, 954565), (2425, 572739), (7275, 190913)]