40818897

素因数分解:

$3^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:465

約数の個数: 56

約数和(自身を含む): 73799360

約数和(自身を除く): 32980463

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 243, 399, 421, 513, 567, 729, 1197, 1263, 1539, 1701, 2947, 3591, 3789, 4617, 5103, 7999, 8841, 10773, 11367, 13851, 23997, 26523, 32319, 34101, 55993, 71991, 79569, 96957, 102303, 167979, 215973, 238707, 306909, 503937, 647919, 716121, 1511811, 1943757, 2148363, 4535433, 5831271, 13606299, 40818897]

約数ペア:

[(1, 40818897), (3, 13606299), (7, 5831271), (9, 4535433), (19, 2148363), (21, 1943757), (27, 1511811), (57, 716121), (63, 647919), (81, 503937), (133, 306909), (171, 238707), (189, 215973), (243, 167979), (399, 102303), (421, 96957), (513, 79569), (567, 71991), (729, 55993), (1197, 34101), (1263, 32319), (1539, 26523), (1701, 23997), (2947, 13851), (3591, 11367), (3789, 10773), (4617, 8841), (5103, 7999)]