15947883

素因数分解:

$3^2\times 7^2\times {\mathrm{29}}^2\times {\mathrm{43}}^1$

素因数の和:121

約数の個数: 54

約数和(自身を含む): 28398084

約数和(自身を除く): 12450201

約数列:

[1, 3, 7, 9, 21, 29, 43, 49, 63, 87, 129, 147, 203, 261, 301, 387, 441, 609, 841, 903, 1247, 1421, 1827, 2107, 2523, 2709, 3741, 4263, 5887, 6321, 7569, 8729, 11223, 12789, 17661, 18963, 26187, 36163, 41209, 52983, 61103, 78561, 108489, 123627, 183309, 253141, 325467, 370881, 549927, 759423, 1771987, 2278269, 5315961, 15947883]

約数ペア:

[(1, 15947883), (3, 5315961), (7, 2278269), (9, 1771987), (21, 759423), (29, 549927), (43, 370881), (49, 325467), (63, 253141), (87, 183309), (129, 123627), (147, 108489), (203, 78561), (261, 61103), (301, 52983), (387, 41209), (441, 36163), (609, 26187), (841, 18963), (903, 17661), (1247, 12789), (1421, 11223), (1827, 8729), (2107, 7569), (2523, 6321), (2709, 5887), (3741, 4263)]