12812553

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{211}}^1$

素因数の和:406

約数の個数: 32

約数和(自身を含む): 20657280

約数和(自身を除く): 7844727

約数列:

[1, 3, 9, 13, 27, 39, 117, 173, 211, 351, 519, 633, 1557, 1899, 2249, 2743, 4671, 5697, 6747, 8229, 20241, 24687, 36503, 60723, 74061, 109509, 328527, 474539, 985581, 1423617, 4270851, 12812553]

約数ペア:

[(1, 12812553), (3, 4270851), (9, 1423617), (13, 985581), (27, 474539), (39, 328527), (117, 109509), (173, 74061), (211, 60723), (351, 36503), (519, 24687), (633, 20241), (1557, 8229), (1899, 6747), (2249, 5697), (2743, 4671)]