538283319

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{4801}}^1$

素因数の和:5111

約数の個数: 32

約数和(自身を含む): 866664960

約数和(自身を除く): 328381641

約数列:

[1, 3, 7, 19, 21, 57, 133, 281, 399, 843, 1967, 4801, 5339, 5901, 14403, 16017, 33607, 37373, 91219, 100821, 112119, 273657, 638533, 1349081, 1915599, 4047243, 9443567, 25632539, 28330701, 76897617, 179427773, 538283319]

約数ペア:

[(1, 538283319), (3, 179427773), (7, 76897617), (19, 28330701), (21, 25632539), (57, 9443567), (133, 4047243), (281, 1915599), (399, 1349081), (843, 638533), (1967, 273657), (4801, 112119), (5339, 100821), (5901, 91219), (14403, 37373), (16017, 33607)]