71890143

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 106176000

約数和(自身を除く): 34285857

約数列:

[1, 3, 13, 39, 59, 157, 177, 199, 471, 597, 767, 2041, 2301, 2587, 6123, 7761, 9263, 11741, 27789, 31243, 35223, 93729, 120419, 152633, 361257, 406159, 457899, 1218477, 1843337, 5530011, 23963381, 71890143]

約数ペア:

[(1, 71890143), (3, 23963381), (13, 5530011), (39, 1843337), (59, 1218477), (157, 457899), (177, 406159), (199, 361257), (471, 152633), (597, 120419), (767, 93729), (2041, 35223), (2301, 31243), (2587, 27789), (6123, 11741), (7761, 9263)]