31904781

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 46656000

約数和(自身を除く): 14751219

約数列:

[1, 3, 19, 53, 57, 59, 159, 177, 179, 537, 1007, 1121, 3021, 3127, 3363, 3401, 9381, 9487, 10203, 10561, 28461, 31683, 59413, 178239, 180253, 200659, 540759, 559733, 601977, 1679199, 10634927, 31904781]

約数ペア:

[(1, 31904781), (3, 10634927), (19, 1679199), (53, 601977), (57, 559733), (59, 540759), (159, 200659), (177, 180253), (179, 178239), (537, 59413), (1007, 31683), (1121, 28461), (3021, 10561), (3127, 10203), (3363, 9487), (3401, 9381)]