13203945

素因数分解:

$3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2081}}^1$

素因数の和:2142

約数の個数: 32

約数和(自身を含む): 23984640

約数和(自身を除く): 10780695

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 135, 141, 235, 423, 705, 1269, 2081, 2115, 6243, 6345, 10405, 18729, 31215, 56187, 93645, 97807, 280935, 293421, 489035, 880263, 1467105, 2640789, 4401315, 13203945]

約数ペア:

[(1, 13203945), (3, 4401315), (5, 2640789), (9, 1467105), (15, 880263), (27, 489035), (45, 293421), (47, 280935), (135, 97807), (141, 93645), (235, 56187), (423, 31215), (705, 18729), (1269, 10405), (2081, 6345), (2115, 6243)]