1561578291

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{635563}}^1$

素因数の和:635592

約数の個数: 32

約数和(自身を含む): 2847326720

約数和(自身を除く): 1285748429

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 635563, 1906689, 4448941, 5720067, 8262319, 13346823, 17160201, 24786957, 40040469, 57836233, 74360871, 120121407, 173508699, 223082613, 520526097, 1561578291]

約数ペア:

[(1, 1561578291), (3, 520526097), (7, 223082613), (9, 173508699), (13, 120121407), (21, 74360871), (27, 57836233), (39, 40040469), (63, 24786957), (91, 17160201), (117, 13346823), (189, 8262319), (273, 5720067), (351, 4448941), (819, 1906689), (2457, 635563)]