13978755

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{223}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 27955200

約数和(自身を除く): 13976445

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 199, 223, 315, 597, 669, 995, 1115, 1393, 1561, 1791, 2007, 2985, 3345, 4179, 4683, 6965, 7805, 8955, 10035, 12537, 14049, 20895, 23415, 44377, 62685, 70245, 133131, 221885, 310639, 399393, 665655, 931917, 1553195, 1996965, 2795751, 4659585, 13978755]

約数ペア:

[(1, 13978755), (3, 4659585), (5, 2795751), (7, 1996965), (9, 1553195), (15, 931917), (21, 665655), (35, 399393), (45, 310639), (63, 221885), (105, 133131), (199, 70245), (223, 62685), (315, 44377), (597, 23415), (669, 20895), (995, 14049), (1115, 12537), (1393, 10035), (1561, 8955), (1791, 7805), (2007, 6965), (2985, 4683), (3345, 4179)]