180971567

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{18427}}^1$

素因数の和:18518

約数の個数: 16

約数和(自身を含む): 219366912

約数和(自身を除く): 38395345

約数列:

[1, 7, 23, 61, 161, 427, 1403, 9821, 18427, 128989, 423821, 1124047, 2966747, 7868329, 25853081, 180971567]

約数ペア:

[(1, 180971567), (7, 25853081), (23, 7868329), (61, 2966747), (161, 1124047), (427, 423821), (1403, 128989), (9821, 18427)]