17768721861

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{601}}^1\times {\mathrm{1597}}^1$

素因数の和:2243

約数の個数: 72

約数和(自身を含む): 29939239512

約数和(自身を除く): 12170517651

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 121, 153, 187, 363, 561, 601, 1089, 1597, 1683, 1803, 2057, 4791, 5409, 6171, 6611, 10217, 14373, 17567, 18513, 19833, 27149, 30651, 52701, 59499, 72721, 81447, 91953, 112387, 158103, 193237, 218163, 244341, 298639, 337161, 579711, 654489, 895917, 959797, 1011483, 1236257, 1739133, 2687751, 2879391, 3285029, 3708771, 8638173, 9855087, 10557767, 11126313, 16316549, 29565261, 31673301, 48949647, 95019903, 116135437, 146848941, 179482039, 348406311, 538446117, 1045218933, 1615338351, 1974302429, 5922907287, 17768721861]

約数ペア:

[(1, 17768721861), (3, 5922907287), (9, 1974302429), (11, 1615338351), (17, 1045218933), (33, 538446117), (51, 348406311), (99, 179482039), (121, 146848941), (153, 116135437), (187, 95019903), (363, 48949647), (561, 31673301), (601, 29565261), (1089, 16316549), (1597, 11126313), (1683, 10557767), (1803, 9855087), (2057, 8638173), (4791, 3708771), (5409, 3285029), (6171, 2879391), (6611, 2687751), (10217, 1739133), (14373, 1236257), (17567, 1011483), (18513, 959797), (19833, 895917), (27149, 654489), (30651, 579711), (52701, 337161), (59499, 298639), (72721, 244341), (81447, 218163), (91953, 193237), (112387, 158103)]