1990282077

素因数分解:

$3^3\times 7^1\times {\mathrm{881}}^1\times {\mathrm{11953}}^1$

素因数の和:12850

約数の個数: 32

約数和(自身を含む): 3373896960

約数和(自身を除く): 1383614883

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 881, 2643, 6167, 7929, 11953, 18501, 23787, 35859, 55503, 83671, 107577, 166509, 251013, 322731, 753039, 2259117, 10530593, 31591779, 73714151, 94775337, 221142453, 284326011, 663427359, 1990282077]

約数ペア:

[(1, 1990282077), (3, 663427359), (7, 284326011), (9, 221142453), (21, 94775337), (27, 73714151), (63, 31591779), (189, 10530593), (881, 2259117), (2643, 753039), (6167, 322731), (7929, 251013), (11953, 166509), (18501, 107577), (23787, 83671), (35859, 55503)]