30780945

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17539}}^1$

素因数の和:17566

約数の個数: 32

約数和(自身を含む): 58934400

約数和(自身を除く): 28153455

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 17539, 52617, 87695, 157851, 228007, 263085, 473553, 684021, 789255, 1140035, 2052063, 2367765, 3420105, 6156189, 10260315, 30780945]

約数ペア:

[(1, 30780945), (3, 10260315), (5, 6156189), (9, 3420105), (13, 2367765), (15, 2052063), (27, 1140035), (39, 789255), (45, 684021), (65, 473553), (117, 263085), (135, 228007), (195, 157851), (351, 87695), (585, 52617), (1755, 17539)]