209872089

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{11527}}^1$

素因数の和:11574

約数の個数: 36

約数和(自身を含む): 368065984

約数和(自身を除く): 158193895

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 289, 357, 867, 1071, 2023, 2601, 6069, 11527, 18207, 34581, 80689, 103743, 195959, 242067, 587877, 726201, 1371713, 1763631, 3331303, 4115139, 9993909, 12345417, 23319121, 29981727, 69957363, 209872089]

約数ペア:

[(1, 209872089), (3, 69957363), (7, 29981727), (9, 23319121), (17, 12345417), (21, 9993909), (51, 4115139), (63, 3331303), (119, 1763631), (153, 1371713), (289, 726201), (357, 587877), (867, 242067), (1071, 195959), (2023, 103743), (2601, 80689), (6069, 34581), (11527, 18207)]