25119615

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1663}}^1$

素因数の和:1743

約数の個数: 32

約数和(自身を含む): 43130880

約数和(自身を除く): 18011265

約数列:

[1, 3, 5, 15, 19, 53, 57, 95, 159, 265, 285, 795, 1007, 1663, 3021, 4989, 5035, 8315, 15105, 24945, 31597, 88139, 94791, 157985, 264417, 440695, 473955, 1322085, 1674641, 5023923, 8373205, 25119615]

約数ペア:

[(1, 25119615), (3, 8373205), (5, 5023923), (15, 1674641), (19, 1322085), (53, 473955), (57, 440695), (95, 264417), (159, 157985), (265, 94791), (285, 88139), (795, 31597), (1007, 24945), (1663, 15105), (3021, 8315), (4989, 5035)]