287788383

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{2791}}^1$

素因数の和:2889

約数の個数: 40

約数和(自身を含む): 459451520

約数和(自身を除く): 171663137

約数列:

[1, 3, 9, 19, 27, 57, 67, 81, 171, 201, 513, 603, 1273, 1539, 1809, 2791, 3819, 5427, 8373, 11457, 25119, 34371, 53029, 75357, 103113, 159087, 186997, 226071, 477261, 560991, 1431783, 1682973, 3552943, 4295349, 5048919, 10658829, 15146757, 31976487, 95929461, 287788383]

約数ペア:

[(1, 287788383), (3, 95929461), (9, 31976487), (19, 15146757), (27, 10658829), (57, 5048919), (67, 4295349), (81, 3552943), (171, 1682973), (201, 1431783), (513, 560991), (603, 477261), (1273, 226071), (1539, 186997), (1809, 159087), (2791, 103113), (3819, 75357), (5427, 53029), (8373, 34371), (11457, 25119)]