15871245

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{409}}^1$

素因数の和:629

約数の個数: 32

約数和(自身を含む): 27552000

約数和(自身を除く): 11680755

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 199, 409, 597, 995, 1227, 2045, 2587, 2985, 5317, 6135, 7761, 12935, 15951, 26585, 38805, 79755, 81391, 244173, 406955, 1058083, 1220865, 3174249, 5290415, 15871245]

約数ペア:

[(1, 15871245), (3, 5290415), (5, 3174249), (13, 1220865), (15, 1058083), (39, 406955), (65, 244173), (195, 81391), (199, 79755), (409, 38805), (597, 26585), (995, 15951), (1227, 12935), (2045, 7761), (2587, 6135), (2985, 5317)]