393339597

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{193}}^1\times {\mathrm{907}}^1$

素因数の和:1217

約数の個数: 32

約数和(自身を含む): 608781312

約数和(自身を除く): 215441715

約数列:

[1, 3, 7, 21, 107, 193, 321, 579, 749, 907, 1351, 2247, 2721, 4053, 6349, 19047, 20651, 61953, 97049, 144557, 175051, 291147, 433671, 525153, 679343, 1225357, 2038029, 3676071, 18730457, 56191371, 131113199, 393339597]

約数ペア:

[(1, 393339597), (3, 131113199), (7, 56191371), (21, 18730457), (107, 3676071), (193, 2038029), (321, 1225357), (579, 679343), (749, 525153), (907, 433671), (1351, 291147), (2247, 175051), (2721, 144557), (4053, 97049), (6349, 61953), (19047, 20651)]