155947825

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1663}}^1$

素因数の和:1726

約数の個数: 36

約数和(自身を含む): 219541504

約数和(自身を除く): 63593679

約数列:

[1, 5, 11, 25, 31, 55, 121, 155, 275, 341, 605, 775, 1663, 1705, 3025, 3751, 8315, 8525, 18293, 18755, 41575, 51553, 91465, 93775, 201223, 257765, 457325, 567083, 1006115, 1288825, 2835415, 5030575, 6237913, 14177075, 31189565, 155947825]

約数ペア:

[(1, 155947825), (5, 31189565), (11, 14177075), (25, 6237913), (31, 5030575), (55, 2835415), (121, 1288825), (155, 1006115), (275, 567083), (341, 457325), (605, 257765), (775, 201223), (1663, 93775), (1705, 91465), (3025, 51553), (3751, 41575), (8315, 18755), (8525, 18293)]