77881947

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1$

素因数の和:284

約数の個数: 64

約数和(自身を含む): 132088320

約数和(自身を除く): 54206373

約数列:

[1, 3, 11, 13, 17, 33, 39, 51, 59, 143, 177, 181, 187, 221, 429, 543, 561, 649, 663, 767, 1003, 1947, 1991, 2301, 2353, 2431, 3009, 3077, 5973, 7059, 7293, 8437, 9231, 10679, 11033, 13039, 25311, 25883, 32037, 33099, 33847, 39117, 40001, 77649, 101541, 117469, 120003, 138827, 143429, 181543, 352407, 416481, 430287, 440011, 544629, 1320033, 1527097, 1996973, 2360059, 4581291, 5990919, 7080177, 25960649, 77881947]

約数ペア:

[(1, 77881947), (3, 25960649), (11, 7080177), (13, 5990919), (17, 4581291), (33, 2360059), (39, 1996973), (51, 1527097), (59, 1320033), (143, 544629), (177, 440011), (181, 430287), (187, 416481), (221, 352407), (429, 181543), (543, 143429), (561, 138827), (649, 120003), (663, 117469), (767, 101541), (1003, 77649), (1947, 40001), (1991, 39117), (2301, 33847), (2353, 33099), (2431, 32037), (3009, 25883), (3077, 25311), (5973, 13039), (7059, 11033), (7293, 10679), (8437, 9231)]