277921347

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{1213}}^1$

素因数の和:1411

約数の個数: 32

約数和(自身を含む): 415362816

約数和(自身を除く): 137441469

約数列:

[1, 3, 11, 33, 53, 131, 159, 393, 583, 1213, 1441, 1749, 3639, 4323, 6943, 13343, 20829, 40029, 64289, 76373, 158903, 192867, 229119, 476709, 707179, 1747933, 2121537, 5243799, 8421859, 25265577, 92640449, 277921347]

約数ペア:

[(1, 277921347), (3, 92640449), (11, 25265577), (33, 8421859), (53, 5243799), (131, 2121537), (159, 1747933), (393, 707179), (583, 476709), (1213, 229119), (1441, 192867), (1749, 158903), (3639, 76373), (4323, 64289), (6943, 40029), (13343, 20829)]