23391081

素因数分解:

$3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:139

約数の個数: 72

約数和(自身を含む): 42681600

約数和(自身を除く): 19290519

約数列:

[1, 3, 7, 9, 21, 29, 31, 49, 59, 63, 87, 93, 147, 177, 203, 217, 261, 279, 413, 441, 531, 609, 651, 899, 1239, 1421, 1519, 1711, 1827, 1829, 1953, 2697, 2891, 3717, 4263, 4557, 5133, 5487, 6293, 8091, 8673, 11977, 12789, 12803, 13671, 15399, 16461, 18879, 26019, 35931, 38409, 44051, 53041, 56637, 83839, 89621, 107793, 115227, 132153, 159123, 251517, 268863, 371287, 396459, 477369, 754551, 806589, 1113861, 2599009, 3341583, 7797027, 23391081]

約数ペア:

[(1, 23391081), (3, 7797027), (7, 3341583), (9, 2599009), (21, 1113861), (29, 806589), (31, 754551), (49, 477369), (59, 396459), (63, 371287), (87, 268863), (93, 251517), (147, 159123), (177, 132153), (203, 115227), (217, 107793), (261, 89621), (279, 83839), (413, 56637), (441, 53041), (531, 44051), (609, 38409), (651, 35931), (899, 26019), (1239, 18879), (1421, 16461), (1519, 15399), (1711, 13671), (1827, 12803), (1829, 12789), (1953, 11977), (2697, 8673), (2891, 8091), (3717, 6293), (4263, 5487), (4557, 5133)]