1319912997

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{181}}^1\times {\mathrm{647}}^1$

素因数の和:878

約数の個数: 48

約数和(自身を含む): 2027555712

約数和(自身を除く): 707642715

約数列:

[1, 3, 13, 17, 39, 51, 181, 221, 289, 543, 647, 663, 867, 1941, 2353, 3077, 3757, 7059, 8411, 9231, 10999, 11271, 25233, 32997, 40001, 52309, 117107, 120003, 142987, 156927, 186983, 351321, 428961, 560949, 680017, 1522391, 1990819, 2040051, 2430779, 4567173, 5972457, 7292337, 25880647, 33843923, 77641941, 101531769, 439970999, 1319912997]

約数ペア:

[(1, 1319912997), (3, 439970999), (13, 101531769), (17, 77641941), (39, 33843923), (51, 25880647), (181, 7292337), (221, 5972457), (289, 4567173), (543, 2430779), (647, 2040051), (663, 1990819), (867, 1522391), (1941, 680017), (2353, 560949), (3077, 428961), (3757, 351321), (7059, 186983), (8411, 156927), (9231, 142987), (10999, 120003), (11271, 117107), (25233, 52309), (32997, 40001)]