211315695

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{22397}}^1$

素因数の和:22459

約数の個数: 32

約数和(自身を含む): 367685568

約数和(自身を除く): 156369873

約数列:

[1, 3, 5, 15, 17, 37, 51, 85, 111, 185, 255, 555, 629, 1887, 3145, 9435, 22397, 67191, 111985, 335955, 380749, 828689, 1142247, 1903745, 2486067, 4143445, 5711235, 12430335, 14087713, 42263139, 70438565, 211315695]

約数ペア:

[(1, 211315695), (3, 70438565), (5, 42263139), (15, 14087713), (17, 12430335), (37, 5711235), (51, 4143445), (85, 2486067), (111, 1903745), (185, 1142247), (255, 828689), (555, 380749), (629, 335955), (1887, 111985), (3145, 67191), (9435, 22397)]