280809987

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{8941}}^1$

素因数の和:9011

約数の個数: 24

約数和(自身を含む): 408828240

約数和(自身を除く): 128018253

約数列:

[1, 3, 19, 29, 57, 87, 361, 551, 1083, 1653, 8941, 10469, 26823, 31407, 169879, 259289, 509637, 777867, 3227701, 4926491, 9683103, 14779473, 93603329, 280809987]

約数ペア:

[(1, 280809987), (3, 93603329), (19, 14779473), (29, 9683103), (57, 4926491), (87, 3227701), (361, 777867), (551, 509637), (1083, 259289), (1653, 169879), (8941, 31407), (10469, 26823)]