180547425

素因数分解:

$3^2\times 5^2\times {\mathrm{211}}^1\times {\mathrm{3803}}^1$

素因数の和:4030

約数の個数: 36

約数和(自身を含む): 324998544

約数和(自身を除く): 144451119

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 211, 225, 633, 1055, 1899, 3165, 3803, 5275, 9495, 11409, 15825, 19015, 34227, 47475, 57045, 95075, 171135, 285225, 802433, 855675, 2407299, 4012165, 7221897, 12036495, 20060825, 36109485, 60182475, 180547425]

約数ペア:

[(1, 180547425), (3, 60182475), (5, 36109485), (9, 20060825), (15, 12036495), (25, 7221897), (45, 4012165), (75, 2407299), (211, 855675), (225, 802433), (633, 285225), (1055, 171135), (1899, 95075), (3165, 57045), (3803, 47475), (5275, 34227), (9495, 19015), (11409, 15825)]