1421955

素因数分解:

$3^4\times 5^1\times {\mathrm{3511}}^1$

素因数の和:3528

約数の個数: 20

約数和(自身を含む): 2549712

約数和(自身を除く): 1127757

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 3511, 10533, 17555, 31599, 52665, 94797, 157995, 284391, 473985, 1421955]

約数ペア:

[(1, 1421955), (3, 473985), (5, 284391), (9, 157995), (15, 94797), (27, 52665), (45, 31599), (81, 17555), (135, 10533), (405, 3511)]