203990145

素因数分解:

$3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{227}}^1\times {\mathrm{431}}^1$

素因数の和:805

約数の個数: 32

約数和(自身を含む): 330946560

約数和(自身を除く): 126956415

約数列:

[1, 3, 5, 15, 139, 227, 417, 431, 681, 695, 1135, 1293, 2085, 2155, 3405, 6465, 31553, 59909, 94659, 97837, 157765, 179727, 293511, 299545, 473295, 489185, 898635, 1467555, 13599343, 40798029, 67996715, 203990145]

約数ペア:

[(1, 203990145), (3, 67996715), (5, 40798029), (15, 13599343), (139, 1467555), (227, 898635), (417, 489185), (431, 473295), (681, 299545), (695, 293511), (1135, 179727), (1293, 157765), (2085, 97837), (2155, 94659), (3405, 59909), (6465, 31553)]