214684509

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1\times {\mathrm{409}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 317215360

約数和(自身を除く): 102530851

約数列:

[1, 3, 13, 39, 43, 129, 313, 409, 559, 939, 1227, 1677, 4069, 5317, 12207, 13459, 15951, 17587, 40377, 52761, 128017, 174967, 228631, 384051, 524901, 685893, 1664221, 4992663, 5504731, 16514193, 71561503, 214684509]

約数ペア:

[(1, 214684509), (3, 71561503), (13, 16514193), (39, 5504731), (43, 4992663), (129, 1664221), (313, 685893), (409, 524901), (559, 384051), (939, 228631), (1227, 174967), (1677, 128017), (4069, 52761), (5317, 40377), (12207, 17587), (13459, 15951)]