12681945

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{9091}}^1$

素因数の和:9133

約数の個数: 24

約数和(自身を含む): 22693632

約数和(自身を除く): 10011687

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 9091, 27273, 45455, 81819, 136365, 281821, 409095, 845463, 1409105, 2536389, 4227315, 12681945]

約数ペア:

[(1, 12681945), (3, 4227315), (5, 2536389), (9, 1409105), (15, 845463), (31, 409095), (45, 281821), (93, 136365), (155, 81819), (279, 45455), (465, 27273), (1395, 9091)]