18073719

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:276

約数の個数: 32

約数和(自身を含む): 27722240

約数和(自身を除く): 9648521

約数列:

[1, 3, 9, 27, 67, 97, 103, 201, 291, 309, 603, 873, 927, 1809, 2619, 2781, 6499, 6901, 9991, 19497, 20703, 29973, 58491, 62109, 89919, 175473, 186327, 269757, 669397, 2008191, 6024573, 18073719]

約数ペア:

[(1, 18073719), (3, 6024573), (9, 2008191), (27, 669397), (67, 269757), (97, 186327), (103, 175473), (201, 89919), (291, 62109), (309, 58491), (603, 29973), (873, 20703), (927, 19497), (1809, 9991), (2619, 6901), (2781, 6499)]