261373929

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{211}}^1\times {\mathrm{227}}^1$

素因数の和:565

約数の個数: 32

約数和(自身を含む): 375860736

約数和(自身を除く): 114486807

約数列:

[1, 3, 17, 51, 107, 211, 227, 321, 633, 681, 1819, 3587, 3859, 5457, 10761, 11577, 22577, 24289, 47897, 67731, 72867, 143691, 383809, 412913, 814249, 1151427, 1238739, 2442747, 5124979, 15374937, 87124643, 261373929]

約数ペア:

[(1, 261373929), (3, 87124643), (17, 15374937), (51, 5124979), (107, 2442747), (211, 1238739), (227, 1151427), (321, 814249), (633, 412913), (681, 383809), (1819, 143691), (3587, 72867), (3859, 67731), (5457, 47897), (10761, 24289), (11577, 22577)]