1640993949

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{16903}}^1$

素因数の和:17006

約数の個数: 48

約数和(自身を含む): 2869082112

約数和(自身を除く): 1228088163

約数列:

[1, 3, 7, 9, 21, 23, 63, 67, 69, 161, 201, 207, 469, 483, 603, 1407, 1449, 1541, 4221, 4623, 10787, 13869, 16903, 32361, 50709, 97083, 118321, 152127, 354963, 388769, 1064889, 1132501, 1166307, 2721383, 3397503, 3498921, 7927507, 8164149, 10192509, 23782521, 24492447, 26047523, 71347563, 78142569, 182332661, 234427707, 546997983, 1640993949]

約数ペア:

[(1, 1640993949), (3, 546997983), (7, 234427707), (9, 182332661), (21, 78142569), (23, 71347563), (63, 26047523), (67, 24492447), (69, 23782521), (161, 10192509), (201, 8164149), (207, 7927507), (469, 3498921), (483, 3397503), (603, 2721383), (1407, 1166307), (1449, 1132501), (1541, 1064889), (4221, 388769), (4623, 354963), (10787, 152127), (13869, 118321), (16903, 97083), (32361, 50709)]