89991387

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 145566720

約数和(自身を除く): 55575333

約数列:

[1, 3, 9, 17, 23, 51, 69, 107, 153, 207, 239, 321, 391, 717, 963, 1173, 1819, 2151, 2461, 3519, 4063, 5457, 5497, 7383, 12189, 16371, 16491, 22149, 25573, 36567, 41837, 49473, 76719, 93449, 125511, 230157, 280347, 376533, 434741, 588179, 841041, 1304223, 1764537, 3912669, 5293611, 9999043, 29997129, 89991387]

約数ペア:

[(1, 89991387), (3, 29997129), (9, 9999043), (17, 5293611), (23, 3912669), (51, 1764537), (69, 1304223), (107, 841041), (153, 588179), (207, 434741), (239, 376533), (321, 280347), (391, 230157), (717, 125511), (963, 93449), (1173, 76719), (1819, 49473), (2151, 41837), (2461, 36567), (3519, 25573), (4063, 22149), (5457, 16491), (5497, 16371), (7383, 12189)]