2447505

素因数分解:

$3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{397}}^1$

素因数の和:545

約数の個数: 24

約数和(自身を含む): 4284072

約数和(自身を除く): 1836567

約数列:

[1, 3, 5, 9, 15, 45, 137, 397, 411, 685, 1191, 1233, 1985, 2055, 3573, 5955, 6165, 17865, 54389, 163167, 271945, 489501, 815835, 2447505]

約数ペア:

[(1, 2447505), (3, 815835), (5, 489501), (9, 271945), (15, 163167), (45, 54389), (137, 17865), (397, 6165), (411, 5955), (685, 3573), (1191, 2055), (1233, 1985)]