216755763

素因数分解:

$3^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{12391}}^1$

素因数の和:12432

約数の個数: 32

約数和(自身を含む): 356889600

約数和(自身を除く): 140133837

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 343, 357, 833, 1029, 2499, 5831, 12391, 17493, 37173, 86737, 210647, 260211, 607159, 631941, 1474529, 1821477, 4250113, 4423587, 10321703, 12750339, 30965109, 72251921, 216755763]

約数ペア:

[(1, 216755763), (3, 72251921), (7, 30965109), (17, 12750339), (21, 10321703), (49, 4423587), (51, 4250113), (119, 1821477), (147, 1474529), (343, 631941), (357, 607159), (833, 260211), (1029, 210647), (2499, 86737), (5831, 37173), (12391, 17493)]