27401781

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 44049600

約数和(自身を除く): 16647819

約数列:

[1, 3, 11, 19, 29, 33, 57, 87, 121, 137, 209, 319, 363, 411, 551, 627, 957, 1507, 1653, 2299, 2603, 3509, 3973, 4521, 6061, 6897, 7809, 10527, 11919, 16577, 18183, 28633, 43703, 49731, 66671, 75487, 85899, 131109, 200013, 226461, 314963, 480733, 830357, 944889, 1442199, 2491071, 9133927, 27401781]

約数ペア:

[(1, 27401781), (3, 9133927), (11, 2491071), (19, 1442199), (29, 944889), (33, 830357), (57, 480733), (87, 314963), (121, 226461), (137, 200013), (209, 131109), (319, 85899), (363, 75487), (411, 66671), (551, 49731), (627, 43703), (957, 28633), (1507, 18183), (1653, 16577), (2299, 11919), (2603, 10527), (3509, 7809), (3973, 6897), (4521, 6061)]