13118721

素因数分解:

$3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:115

約数の個数: 64

約数和(自身を含む): 23808000

約数和(自身を除く): 10689279

約数列:

[1, 3, 7, 11, 19, 21, 33, 49, 57, 61, 77, 133, 147, 183, 209, 231, 343, 399, 427, 539, 627, 671, 931, 1029, 1159, 1281, 1463, 1617, 2013, 2793, 2989, 3477, 3773, 4389, 4697, 6517, 8113, 8967, 10241, 11319, 12749, 14091, 19551, 20923, 24339, 30723, 32879, 38247, 56791, 62769, 71687, 89243, 98637, 170373, 215061, 230153, 267729, 397537, 624701, 690459, 1192611, 1874103, 4372907, 13118721]

約数ペア:

[(1, 13118721), (3, 4372907), (7, 1874103), (11, 1192611), (19, 690459), (21, 624701), (33, 397537), (49, 267729), (57, 230153), (61, 215061), (77, 170373), (133, 98637), (147, 89243), (183, 71687), (209, 62769), (231, 56791), (343, 38247), (399, 32879), (427, 30723), (539, 24339), (627, 20923), (671, 19551), (931, 14091), (1029, 12749), (1159, 11319), (1281, 10241), (1463, 8967), (1617, 8113), (2013, 6517), (2793, 4697), (2989, 4389), (3477, 3773)]