151872021

素因数分解:

$3^2\times 7^2\times {\mathrm{521}}^1\times {\mathrm{661}}^1$

素因数の和:1202

約数の個数: 36

約数和(自身を含む): 256062924

約数和(自身を除く): 104190903

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 521, 661, 1563, 1983, 3647, 4627, 4689, 5949, 10941, 13881, 25529, 32389, 32823, 41643, 76587, 97167, 229761, 291501, 344381, 1033143, 2410667, 3099429, 7232001, 16874669, 21696003, 50624007, 151872021]

約数ペア:

[(1, 151872021), (3, 50624007), (7, 21696003), (9, 16874669), (21, 7232001), (49, 3099429), (63, 2410667), (147, 1033143), (441, 344381), (521, 291501), (661, 229761), (1563, 97167), (1983, 76587), (3647, 41643), (4627, 32823), (4689, 32389), (5949, 25529), (10941, 13881)]