172754865

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{1223}}^1$

素因数の和:1350

約数の個数: 48

約数和(自身を含む): 310856832

約数和(自身を除く): 138101967

約数列:

[1, 3, 5, 9, 15, 43, 45, 73, 129, 215, 219, 365, 387, 645, 657, 1095, 1223, 1935, 3139, 3285, 3669, 6115, 9417, 11007, 15695, 18345, 28251, 47085, 52589, 55035, 89279, 141255, 157767, 262945, 267837, 446395, 473301, 788835, 803511, 1339185, 2366505, 3838997, 4017555, 11516991, 19194985, 34550973, 57584955, 172754865]

約数ペア:

[(1, 172754865), (3, 57584955), (5, 34550973), (9, 19194985), (15, 11516991), (43, 4017555), (45, 3838997), (73, 2366505), (129, 1339185), (215, 803511), (219, 788835), (365, 473301), (387, 446395), (645, 267837), (657, 262945), (1095, 157767), (1223, 141255), (1935, 89279), (3139, 55035), (3285, 52589), (3669, 47085), (6115, 28251), (9417, 18345), (11007, 15695)]