25173993

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{641}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 38828160

約数和(自身を除く): 13654167

約数列:

[1, 3, 13, 19, 39, 53, 57, 159, 247, 641, 689, 741, 1007, 1923, 2067, 3021, 8333, 12179, 13091, 24999, 33973, 36537, 39273, 101919, 158327, 441649, 474981, 645487, 1324947, 1936461, 8391331, 25173993]

約数ペア:

[(1, 25173993), (3, 8391331), (13, 1936461), (19, 1324947), (39, 645487), (53, 474981), (57, 441649), (159, 158327), (247, 101919), (641, 39273), (689, 36537), (741, 33973), (1007, 24999), (1923, 13091), (2067, 12179), (3021, 8333)]