201815205

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{12539}}^1$

素因数の和:12613

約数の個数: 32

約数和(自身を含む): 343094400

約数和(自身を除く): 141279195

約数列:

[1, 3, 5, 15, 29, 37, 87, 111, 145, 185, 435, 555, 1073, 3219, 5365, 12539, 16095, 37617, 62695, 188085, 363631, 463943, 1090893, 1391829, 1818155, 2319715, 5454465, 6959145, 13454347, 40363041, 67271735, 201815205]

約数ペア:

[(1, 201815205), (3, 67271735), (5, 40363041), (15, 13454347), (29, 6959145), (37, 5454465), (87, 2319715), (111, 1818155), (145, 1391829), (185, 1090893), (435, 463943), (555, 363631), (1073, 188085), (3219, 62695), (5365, 37617), (12539, 16095)]