28206189

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{439}}^1$

素因数の和:526

約数の個数: 36

約数和(自身を含む): 45645600

約数和(自身を除く): 17439411

約数列:

[1, 3, 9, 11, 33, 59, 99, 121, 177, 363, 439, 531, 649, 1089, 1317, 1947, 3951, 4829, 5841, 7139, 14487, 21417, 25901, 43461, 53119, 64251, 77703, 159357, 233109, 284911, 478071, 854733, 2564199, 3134021, 9402063, 28206189]

約数ペア:

[(1, 28206189), (3, 9402063), (9, 3134021), (11, 2564199), (33, 854733), (59, 478071), (99, 284911), (121, 233109), (177, 159357), (363, 77703), (439, 64251), (531, 53119), (649, 43461), (1089, 25901), (1317, 21417), (1947, 14487), (3951, 7139), (4829, 5841)]