15956409

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 27086400

約数和(自身を除く): 11129991

約数列:

[1, 3, 7, 19, 21, 29, 49, 57, 87, 133, 147, 197, 203, 399, 551, 591, 609, 931, 1379, 1421, 1653, 2793, 3743, 3857, 4137, 4263, 5713, 9653, 11229, 11571, 17139, 26201, 26999, 28959, 39991, 78603, 80997, 108547, 119973, 183407, 279937, 325641, 550221, 759829, 839811, 2279487, 5318803, 15956409]

約数ペア:

[(1, 15956409), (3, 5318803), (7, 2279487), (19, 839811), (21, 759829), (29, 550221), (49, 325641), (57, 279937), (87, 183407), (133, 119973), (147, 108547), (197, 80997), (203, 78603), (399, 39991), (551, 28959), (591, 26999), (609, 26201), (931, 17139), (1379, 11571), (1421, 11229), (1653, 9653), (2793, 5713), (3743, 4263), (3857, 4137)]