121427515

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2129}}^1$

素因数の和:2223

約数の個数: 32

約数和(自身を含む): 171149760

約数和(自身を除く): 49722245

約数列:

[1, 5, 11, 17, 55, 61, 85, 187, 305, 671, 935, 1037, 2129, 3355, 5185, 10645, 11407, 23419, 36193, 57035, 117095, 129869, 180965, 398123, 649345, 1428559, 1990615, 2207773, 7142795, 11038865, 24285503, 121427515]

約数ペア:

[(1, 121427515), (5, 24285503), (11, 11038865), (17, 7142795), (55, 2207773), (61, 1990615), (85, 1428559), (187, 649345), (305, 398123), (671, 180965), (935, 129869), (1037, 117095), (2129, 57035), (3355, 36193), (5185, 23419), (10645, 11407)]