215004075

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{20047}}^1$

素因数の和:20084

約数の個数: 48

約数和(自身を含む): 417639936

約数和(自身を除く): 202635861

約数列:

[1, 3, 5, 11, 13, 15, 25, 33, 39, 55, 65, 75, 143, 165, 195, 275, 325, 429, 715, 825, 975, 2145, 3575, 10725, 20047, 60141, 100235, 220517, 260611, 300705, 501175, 661551, 781833, 1102585, 1303055, 1503525, 2866721, 3307755, 3909165, 5512925, 6515275, 8600163, 14333605, 16538775, 19545825, 43000815, 71668025, 215004075]

約数ペア:

[(1, 215004075), (3, 71668025), (5, 43000815), (11, 19545825), (13, 16538775), (15, 14333605), (25, 8600163), (33, 6515275), (39, 5512925), (55, 3909165), (65, 3307755), (75, 2866721), (143, 1503525), (165, 1303055), (195, 1102585), (275, 781833), (325, 661551), (429, 501175), (715, 300705), (825, 260611), (975, 220517), (2145, 100235), (3575, 60141), (10725, 20047)]