28609969017

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1\times {\mathrm{111863}}^1$

素因数の和:112533

約数の個数: 32

約数和(自身を含む): 45962680320

約数和(自身を除く): 17352711303

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 641, 1923, 4487, 12179, 13461, 36537, 85253, 111863, 255759, 335589, 783041, 2125397, 2349123, 6376191, 14877779, 44633337, 71704183, 215112549, 501929281, 1362379477, 1505787843, 4087138431, 9536656339, 28609969017]

約数ペア:

[(1, 28609969017), (3, 9536656339), (7, 4087138431), (19, 1505787843), (21, 1362379477), (57, 501929281), (133, 215112549), (399, 71704183), (641, 44633337), (1923, 14877779), (4487, 6376191), (12179, 2349123), (13461, 2125397), (36537, 783041), (85253, 335589), (111863, 255759)]