218556471

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{11551}}^1$

素因数の和:11631

約数の個数: 32

約数和(自身を含む): 359313408

約数和(自身を除く): 140756937

約数列:

[1, 3, 7, 17, 21, 51, 53, 119, 159, 357, 371, 901, 1113, 2703, 6307, 11551, 18921, 34653, 80857, 196367, 242571, 589101, 612203, 1374569, 1836609, 4123707, 4285421, 10407451, 12856263, 31222353, 72852157, 218556471]

約数ペア:

[(1, 218556471), (3, 72852157), (7, 31222353), (17, 12856263), (21, 10407451), (51, 4285421), (53, 4123707), (119, 1836609), (159, 1374569), (357, 612203), (371, 589101), (901, 242571), (1113, 196367), (2703, 80857), (6307, 34653), (11551, 18921)]