280706931

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{4177}}^1$

素因数の和:4336

約数の個数: 32

約数和(自身を含む): 441196800

約数和(自身を除く): 160489869

約数列:

[1, 3, 9, 19, 27, 57, 131, 171, 393, 513, 1179, 2489, 3537, 4177, 7467, 12531, 22401, 37593, 67203, 79363, 112779, 238089, 547187, 714267, 1641561, 2142801, 4924683, 10396553, 14774049, 31189659, 93568977, 280706931]

約数ペア:

[(1, 280706931), (3, 93568977), (9, 31189659), (19, 14774049), (27, 10396553), (57, 4924683), (131, 2142801), (171, 1641561), (393, 714267), (513, 547187), (1179, 238089), (2489, 112779), (3537, 79363), (4177, 67203), (7467, 37593), (12531, 22401)]