13081761

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 24161280

約数和(自身を除く): 11079519

約数列:

[1, 3, 7, 9, 11, 21, 33, 43, 63, 77, 99, 129, 231, 301, 387, 439, 473, 693, 903, 1317, 1419, 2709, 3073, 3311, 3951, 4257, 4829, 9219, 9933, 14487, 18877, 27657, 29799, 33803, 43461, 56631, 101409, 132139, 169893, 207647, 304227, 396417, 622941, 1189251, 1453529, 1868823, 4360587, 13081761]

約数ペア:

[(1, 13081761), (3, 4360587), (7, 1868823), (9, 1453529), (11, 1189251), (21, 622941), (33, 396417), (43, 304227), (63, 207647), (77, 169893), (99, 132139), (129, 101409), (231, 56631), (301, 43461), (387, 33803), (439, 29799), (473, 27657), (693, 18877), (903, 14487), (1317, 9933), (1419, 9219), (2709, 4829), (3073, 4257), (3311, 3951)]