1378377

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:60

約数の個数: 80

約数和(自身を含む): 2927232

約数和(自身を除く): 1548855

約数列:

[1, 3, 7, 9, 11, 13, 17, 21, 27, 33, 39, 51, 63, 77, 81, 91, 99, 117, 119, 143, 153, 187, 189, 221, 231, 273, 297, 351, 357, 429, 459, 561, 567, 663, 693, 819, 891, 1001, 1053, 1071, 1287, 1309, 1377, 1547, 1683, 1989, 2079, 2431, 2457, 3003, 3213, 3861, 3927, 4641, 5049, 5967, 6237, 7293, 7371, 9009, 9639, 11583, 11781, 13923, 15147, 17017, 17901, 21879, 27027, 35343, 41769, 51051, 65637, 81081, 106029, 125307, 153153, 196911, 459459, 1378377]

約数ペア:

[(1, 1378377), (3, 459459), (7, 196911), (9, 153153), (11, 125307), (13, 106029), (17, 81081), (21, 65637), (27, 51051), (33, 41769), (39, 35343), (51, 27027), (63, 21879), (77, 17901), (81, 17017), (91, 15147), (99, 13923), (117, 11781), (119, 11583), (143, 9639), (153, 9009), (187, 7371), (189, 7293), (221, 6237), (231, 5967), (273, 5049), (297, 4641), (351, 3927), (357, 3861), (429, 3213), (459, 3003), (561, 2457), (567, 2431), (663, 2079), (693, 1989), (819, 1683), (891, 1547), (1001, 1377), (1053, 1309), (1071, 1287)]